Holocene (adj.)youdaoicibaDictYouDict[Holocene 词源字典]
in reference to the epoch that began 10,000 years ago and continues today, 1897, from French holocène (1867), from Greek holo-, comb. form of holos "whole" (see safe (adj.)) + -cene.[Holocene etymology, Holocene origin, 英语词源]