Ever since the arrival of the Arabs to Kerala, the region came to be called Malabar, a word believed to be an Arabic formation. Several historians attempted to determine the earliest use of the word ‘Malabar,’ used to demarcate the Kerala region. There is unanimity in the opinion that this term appears first in the geography of Edrisi (c.1150). The term ‘Malabar’ was first used by foreign writers to specify the western coast. Al Biruni (AD 970-1039) appears to have been the first to call the country by the name ‘Malabar’. The Egyptian merchant Cosmos Indicopleustes (6th century AD) mentions a town Male (a mountain region) on the West Coast of India, as a great emporium of pepper trade. Under Justinian, Cosmos, in the course of his traffic, made some voyages to India, whence he acquired the surname of Indicopleustes. He observed that "In the country which is called Male (Malabar), where pepper is growing, there is a bishop Ordained in Perdia.” The new American encyclopedia considers Malabar Coast as an “indefinite term applied to the whole W. side of the Indian peninsula. In a somewhat more restricted sense it means the coasts of Concan, Canara, Malabar proper, Cochin, and Travancore.” Captain Amasa Delano explains the term Malabar to have the same meaning with the word mountaineer, and to refer to the mountains of Hindustan, from which the people of the coast came. The Portuguese, on their arrival in India, found the term Malabar in greater use, wherein the prefix mala has attained the meaning of a mountain.
Many attempts to trace the origin of the word Malabar failed and the word is still enveloped in greater anonymity. This has led to much confusion. Robert Caldwell quotes Colonel Yule who has enlisted the following forms like Malibar, Manibar, Mulibar, Munibar, Malibar as Arabian and Minibar, Milibar, Melibar (Marco Polo), Minubar, Melibaria, Molibar, Minabar, Malabria written with the change of vowels, as the other forms the early European travelers used. 
Many have attributed the meaning to the prefix mala, for mountain, a geographical feature of Kerala. This suggests that the word is Malayalam. “I learn from Colonel Yule that in the relations of the Arabian navigators, the name Male held its place, nearly as Cosmos has it, without any such suffix as bar, down to the eleventh or twelfth century. In 851 A.D., it occurs, he says, as Malai or Kulam Malai, in 1150 as Mali and also Maliah. It is interesting to find the name of Quilon (Kulam, properly Kollam) as early as 851 associated with the name of the coast, in the compound term Kulam Mali; but Colonel Yule has found Quilon mentioned by name prior even to 660, which tends to show, as he observes, that the Quilon era (the first year of which corresponds to AD 824-5) did not in reality take its origin, as has been supposed, from the foundation of the city.” 
Difficulty has been felt to ascertain the origin and meaning of the affix bar. Lassen considers it “as identical with the Sanskrit vara, in the sense of ‘a region’; Malayavara = Malabar = the region of Malaya, the Western Ghats. As the Malaya-vaarais a factitious word, not really found in Sanskrit, and never actually used by the people of the Malabar Coast, this argument failed to get acceptance. “The same difficulty stands in the way of Mala vaaram, Tamil- Mal., the foot of the mountains, and Malappadu, the mountain district. These derivations might be regarded at first sight as admissible; but they are Indian vernacular words, and if the name ‘Malabar’ had been derived from them, we should expect to find them in use in India itself, whereas there is no trace of either of them having ever actually been used by any Indian people.” Bar, in the Persian language, signifies country, as Zengebar, the country of the Zenges. In that sense, Mali-bar is believed to be the country of the Malays.
Malabar is explained as an Arabic corruption from mala (vernacular) for mountain. But long before the time of Cosmos Indicoplaestus (AD 522-547) down to the 11th or 12th century, the word ‘Male’ was applied to the coast by foreigners. Probably, in part at least the word Malabar is of foreign origin. The first two syllables are almost certainly the ordinary Dravidian word male (hill, mountain) and bar is probably the Arabic/persian word ‘barr’ (country). Malabar may therefore be taken to mean the hilly or mountainous country, a name well suited to its physical characteristics.  The original Indian appellation is Malayalim, or the hilly country; or, according to others, is Maliabar, a name given to it by Persians, and signifying the country of the Malays, when they the natives of the coast of India confronted. Amasa Delano considers the term Malabar supposed to have the same meaning with the word mountaineer. He thinks that this word refers to the mountains of Hindustan, from which the people of the coast came.
Sabda Tharaavali of Sreekandewaram names Malabar as an old word and calls it Malamandalam. Today Malabar is considered as a word indicating the hilly region of Kerala and is called Mala(yala)nadu. As everyone seems to be satisfied with the meaning that the word assumed, no one is bothered to discuss it afresh. But the feeling that the original meaning is still evading has made it necessary to renew the discussion. The Arabs came to Kerala not as tourists. They came for spices trade. As such, we shall begin with describing the importance of spices in the old world.
Pepper, an important culinary spice from ancient times, was used to cover the taste of spoiled food and the Europeans craved spices to preserve meat. Salting was the only form of food preservation for centuries which made salted meat palatable. Increase of pepper’s high value, made its demand almost insatiable,  although the advent of refrigeration has lessened the need for salt-curing foods. Peppercorn on reaching Western Europe from Malabar began to be used in a variety of ways, as it attained almost on its own right the status of a currency.
Pepper was treated as an equivalent of capital, as a currency in Rome. The Caesars stored them in vast quantities, perhaps never to be used, in their treasury,  which subsequently became a medium of exchange. The Tamil poet Tayan Kannanar, wrote “They arrive with gold and depart with pepper.” A second century Tamil poet sketches this trading port thus: “Bales of pepper are brought to market from each house, and gold received in exchange from the Roman ships is brought to shore in sackfuls, at Muciri, where the music of the singing sea never ceases and where King Kudduvar loads his guests with the ambergris of the sea and the cardamom of the mountains.”
Since ancient Greek and Roman times, peppercorn was a means of paying tribute. In AD 408, Rome saved itself from Alaric, the King of the Visigoths, who condescended to accept a ransom for the city, Alaric expressly stipulated for the deliverance of 3000 pounds of pepper,  and Attila the Hun required in 452, 3000 pounds of pepper as part of the ransom of the City of Rome. This sum may denote nominal today. But black pepper in ancient times was very highly prized. 
Europe’s over-dependence on spices, enabled it to become a common currency, as negotiable as silver. Its use as money spanned a period of some 1500 to 2000 years. People counted out, peppercorn by peppercorn to settle debts and to pay taxes, rents and actually pepper was used to bribe. A number of commodities, principally spices, were accepted in lieu of money. Sometimes rents were paid in peppercorns. The very expensive peppercorns were accepted as part of a bride's dowry or in lieu of money. This survives in the term real rents, not nominal ones, which could indeed be paid in peppercorns. “Peppercorn rent, which now means virtually free- exactly the opposite!”
Though the phrase 'peppercorn rent' denoted a nominal sum these days, there was nothing nominal about it, in the late middle Ages. A pound of peppercorn was worth a pound of gold. It represented the barter equivalent of two to three weeks' labor on the land. Peppercorns, as they served to make international payments, represented a more stable medium of exchange than gold. “At others, it sufficed to buy freedom for a serf in France; and often, both in ancient and medieval times.” 
The black pepper in Europe, during the middle ages and Tudor times, was highly priced and so expensive. This made South Arabia the great spice emporium of the ancient world. The Malabar Coast furnishes an example of an Indian trading area, where peddlers were not particularly prominent, making this region so important in the pepper trade from Asia to Europe.
Spices such as cinnamon, ginger, cloves, pepper and nutmeg had travelled overland for millennia to the West. Though these names are as old as the language itself, ignorance about its sources prevailed for a period. The traditional overland routes helped the horde of middlemen along the way. The slow transportation of spices took trading advantage from pushing up the price. It is said that all the pepper available to world trade at the time came from Malabar. The world realized India and the Far East as the epic centers of the spices trade, only with the advent of seafaring exploration in the medieval times.
The desire to enrich them engaging in the hugely profitable spices trade ignited many a European to navigate to India. The young Italian sailor Columbus set sail due west, in search of a shorter route to the treasures of the orient, that would not mean travelling round the Cape of Good Hope. A desire for a share in the highly lucrative spice trade played an important part in inspiring the exploration. Queen Isabella of Spain wanted to make her country rich. She sponsored Columbus’s plan and raised money to meet his voyage expenses to what turned out to be a new world.  This voyage of discovery is annually remembered when people celebrate the discovery day on every Oct. 12.
In the centuries that followed, the traders from the west, in successive waves, bribed, negotiated, and fought their way eastwards, in search of the source of these riches. This found the displacement of the Indians, hitherto the most important merchants in the region.
Melago-codi of the Hortus Malabaricus
The tieo-bo of the Cochin-Chinese, the Piper nigrum, is the Melago-codi of the Hortus Malabaricus. Cultivated in various parts of the East, as in Java, Sumatra, Borneo, and the Philippine Isles, it grows in the greatest abundance in the province of Malabar, constituting one of the principal articles of export. Indigenous to the rain forests of Kerala in southwestern India, black pepper(Kurumulaku in Malayalam, and Maricham in Sanskrit, is the chief production of Malabar.
Malabar: the Spices Emporium
Periplus names twenty ports on the west coast of India. Pliny (the Elder) refers to Muziris, the most important port in ancient, India as the first market commercial station of India/ Primum Emporium Indiae. Tiruvanchikulum near Cranganur in the vicinity of the port of Muziris was the capital of the Perumals.
The works of Sangam poets extolled Muziris as enjoying great prosperity in the days of Roman trade. Muziris is Muchiri/ Muciris in Tamil works and Murachipattanam in Valmiki Ramayana. The Jewish Copper Plate of Bhaskara Ravi Varma (1000 AD) mentions it as Muviri / Muriyikode. Muziris was called Makotai, Mahodayapuram and Mahodayapattanam. Murachi is Alwaye puzha, otherwise called Periyaar.
The Roman Red Sea merchant fleet headed to this spice coast each year to buy pepper, pearls, spices and Indian slave girls. Pepper was endearingly known as ‘Yavanapriya,’ which means “passion of the Greeks.” As an emporium of trade, Muziris served the Phoenicians, the Egyptians, the Greeks and the Romans in turn. Quilon, yet another port, was the chief emporium and transporting center of the East during the time of Ibn Buttuta. 
Dr Robertson, historian, who considers Malabar as the country of pepper, attributes the derivation of the name Malabar, as well as that of Maldives, to a cluster of islands lying at no distance from Maale. About two-thirds of the pepper available to world trade at that time was produced in Malabar. The bowl of good quality pepper, collected in such abundance from Kerala, made it cheapest but by no means the least useful of spices. This monopoly made Kerala the only place from where the rest of the world obtained pepper. This scenario made Canter Visscher, the Dutch Chaplain of Cochin, to call Malabar "The mother of pepper.” The Arabs called Malabar, situated to the east, or rather to the southward of Guzerat, qualified to be styled as the Mother of Pepper, as Beled-ul-ful-ful, the country of pepper. . It is said that the Moors of Mecca discovered India, and came to the province of Malabar, on account of the pepper which is found there. — Barbosa, 102. 1553.
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