chlorophyll
n.
green-colored stuff in plants, 1819, from French chlorophyle (1818), coined by French chemists Pierre-Joseph Pelletier (1788-1842) and Joseph Bienaimé Caventou (1795-1877) from Greek khloros "pale green" (see Chloe) + phyllon "a leaf" (see phyllo-).
〔李〕n. 叶绿素 [chloro- =green] ←-phyll [GK] =leaf表示“叶”