Etymology The word "rupee" was derived from the Sanskrit word रूप्यकम् (rūpyakam) or rupaya (meaning "wrought silver, a coin of silver").[citation needed] The modern Indian rupee has a direct lineage from the rupiya, the silver coin, issued by Sher Shah Suri (1540—1545), continued by the Mughal rulers.Arthashastra, written by Chanakya, prime minister to the first Maurya emperor Chandragupta Maurya (c 340–290 BCE), mentions silver coins as rūpyarupa, other types of coins including gold coins (Suvarṇarūpa), copper coins (Tāmrarūpa) and lead coins (Sīsarūpa) are also mentioned. Rūpa means to form or shape, example, Rūpyarūpa, rūpya — wrought silver, rūpa — form. However, in the region of Bengal, the term taka has always been used to refer to currency.In the 14th century, Ibn Battuta noticed that people in the Bengal Sultanate referred to gold and silver coins as taka instead of the dinar. Today, the currency of Bangladesh is officially known as taka. The wor...