chromatin (n.)youdaoicibaDictYouDict[chromatin 词源字典]
protoplasm in cell nuclei, 1882, from German, coined 1879 by German anatomist Walther Flemming (1843-1905), from Latinized form of Greek khromat-, the correct combinational form of khroma "color" (see chroma) + chemical suffix -in (2). Related: Chromatid. Compare chromosome.[chromatin etymology, chromatin origin, 英语词源]