It has been found that Teak wood has been used in the making of Moon Athur Temple and the palace of Nebuchadnezzar (605-562 BC). In those days, Teak was available in plenty for export only in Kerala.
Jewish religious texts have references to the perfumes of Kerala. The Cinnamon was used in their religious ceremonies.
Elliot’s history Vol. II, says that around 10,000 horses were imported to Kerala from Arabia during the rule of first Caliph of Islam, Abu Bakr As- Siddiq.
It was a group of 40 Indian Muslims who guarded the treasury of Basra during the reign of Caliph Ali, the fourth Caliph of Islam.
Ibn Khallikan writes that the mother of Zainul Abideen, Imam Hussein’s son, was of Indian origin. (Introduction to Arab Account of India by Muhammad Zaki.)
S.S. Nadwi says that South India was the abode of Arabs long before they settled in parts of North India. (Muslim colonies in India, Muslim Conquests, and Islamic Culture Vol. VIII)
Summarized from Kerala Muslims – History of freedom struggle by KM Bahaudhin.
What the Arabs called Malabar
Al Idrisi (AD 1100-1166), a well-known geographer, refers to Malabar as Malay in Kitabunnashathul Mushthaq.
Abul Fida, calls the land as Malibar.
Ibn Batutah, the tireless traveler, called it Mulaibar.
Al Beruni and others have called it Malabar as known today