tigeryoudaoicibaDictYouDict
tiger: [13] English got tiger via Old French tigre and Latin tigris from Greek tígris, a word presumably of oriental origin. It was originally taken over directly from Latin in the Old English period as tigras, but this did not survive.
tiger (n.)youdaoicibaDictYouDict
Old English tigras (plural), also in part from Old French tigre "tiger" (mid-12c.), both from Latin tigris "tiger," from Greek tigris, possibly from an Iranian source akin to Old Persian tigra- "sharp, pointed," Avestan tighri- "arrow," in reference to its springing on its prey, "but no application of either word, or any derivative, to the tiger is known in Zend." [OED]. Of tiger-like persons from c. 1500. The meaning "shriek or howl at the end of a cheer" is recorded from 1845, American English, and is variously explained. Tiger's-eye "yellowish-brown quartz" is recorded from 1886.