India
wiktionary
From Old English India, Indea, from Latin India, from Ancient Greek Ἰνδία(Indía), from Ancient Greek Ἰνδός(Indós, “Indus river”), from Old Persian 𐏃𐎡𐎯𐎢𐏁(hindūš), from Sanskrit सिन्धु(sindhu), ultimately from Proto-Indo-Iranian *síndʰuš(“river”).
Compare Middle English Inde and Ynde from Old French Ynde (original form started to prevail in the 16th century), Persian هند (hend, “India”), Sanskrit सिन्धु(síndhu, “a river, stream”).
etymonline
India
"the Indian subcontinent, central Asia south of the Himalayas," formerly sometimes used generally for "Asia;" since 1947 specifically in reference to the Republic of India, Old English India, Indea, from Latin India, from Greek India "region of the Indus River," later used of the region beyond it, from Indos "Indus River," also "an Indian," from Old Persian Hindu, the name for the province of Sind, from Sanskrit sindhu "river."
The more common Middle English form was Ynde or Inde, from Old French (hence Indies). The form India began to prevail again in English from 16c., perhaps under Spanish or Portuguese influence.
