chyle (n.)youdaoicibaDictYouDict[chyle 词源字典]
1540s, from Late Latin chylus, from Greek khylos "juice" (of plants, animals, etc.), from stem of khein "to pour, gush forth," from PIE *ghus-mo-, from root *gheu- "to pour, pour a libation" (see found (v.2)). Compare also chyme.[chyle etymology, chyle origin, 英语词源]
ethylene (n.)youdaoicibaDictYouDict
poisonous, flammable gas, 1852, from ethyl + -ene, probably suggested by methylene.
methylene (n.)youdaoicibaDictYouDict
1835, from French méthylène (1834), coined by Jean-Baptiste-André Dumas (1800-1884) and Eugène-Melchior Péligot (1811-1890) from Greek methy "wine" (see mead (n.1)) + hyle "wood" + Greek name-forming element -ene. So called because detected in wood alcohol. "The breakdown of methylene into methyl and -ene, and the identification of the last syllable of methyl with the general suffix -ly, led to the use of meth- as a separate combining-element, as, for example, in methane, methacrylic" [Flood].
phyletic (adj.)youdaoicibaDictYouDict
"racial, pertaining to race," 1873, probably coined in German from Greek phyletikos "of one's tribe," from phyletes "fellow tribesman," from phyle (see phylo-).
polyethylene (n.)youdaoicibaDictYouDict
polymer of ethylene, 1862, from French polyéthylène; see poly- + ethylene. Related: Polyethylenic (1860).