mitosis (n.)youdaoicibaDictYouDict[mitosis 词源字典]
1887, coined in German from Greek mitos "warp thread" (see mitre) + Modern Latin -osis "act, process." Term introduced by German anatomist Walther Fleming (1843-1905) in 1882. So called because chromatin of the cell nucleus appears as long threads in the first stages.[mitosis etymology, mitosis origin, 英语词源]