feline (adj.)youdaoicibaDictYouDict[feline 词源字典]
"cat-like," 1680s, from Late Latin felinus "of or belonging to a cat," from Latin feles (genitive felis) "cat, wild cat, marten," which is of uncertain origin. Hence Modern Latin Felis, the cat genus. As a noun, "a feline animal" (popularly "a domestic cat") from 1861.[feline etymology, feline origin, 英语词源]