parsimony (n.)youdaoicibaDictYouDict[parsimony 词源字典]
early 15c., from Latin parsimonia "sparingness, frugality, thrift," from pars-, past participle stem of parcere "to spare, save, refrain from, use moderately" (which is said to be unrelated to Latin parvus "small," parum "too little") + -monia, suffix signifying action, state, or condition.[parsimony etymology, parsimony origin, 英语词源]