lime (n.2)youdaoicibaDictYouDict[lime 词源字典]
greenish-yellow citrus fruit, 1630s, probably via Spanish lima, from Arabic limah "citrus fruit," from Persian limun "lemon" (see lemon (n.1)). Related: Limeade (1892), with ending as in lemonade.[lime etymology, lime origin, 英语词源]