holo-youdaoicibaDictYouDict[holo- 词源字典]
before vowels, hol-, word-forming element meaning "whole, entire, complete," from Greek holo-, comb. form of holos "whole, entire, complete," also "safe and sound," from PIE *sol-wo-, from root *sol- (see safe (adj.)).[holo- etymology, holo- origin, 英语词源]