teak (n.)youdaoicibaDictYouDict[teak 词源字典]
type of large East Indian tree yielding dark, heavy wood, 1690s, from Portuguese teca, from Malayam tekka, corresponding to Tamil tekku, Telugu teku, Kanarese tegu "the teak tree." The Hindi name is sagwan, sagun.[teak etymology, teak origin, 英语词源]