handiwork (n.)youdaoicibaDictYouDict[handiwork 词源字典]
late 12c., from Old English handgeweorc "work of the hand, creation," from hand (n.) + geweorc, collective form of weorc "work" (see work (n.)). Old English collective prefix ge- regularly reduces to i- in Middle English, and the word probably came to be felt as handy + work.[handiwork etymology, handiwork origin, 英语词源]