cola (n.)youdaoicibaDictYouDict[cola 词源字典]
1795, genus of trees native to west Africa and introduced in New World tropics, Latinized form of a West African name of the tree (compare Temne kola, Mandingo kolo). Meaning "carbonated soft drink" is 1920, short for Coca-Cola, Pepsi-Cola.[cola etymology, cola origin, 英语词源]