- trifid (adj.)
[trifid 词源字典]
- "divided into three lobes," 1620s, from Latin trifidus "cleft in three," from tri- "three" (see tri-) + -fid. This adjective probably inspired triffid, the name of the three-legged walking poisonous plants in John Wyndham's novel "The Day of the Triffids" (1951).[trifid etymology, trifid origin, 英语词源]