heft (v.)youdaoicibaDictYouDict[heft 词源字典]
"to lift," 1660s, from heft (n.). Related: Hefted; hefting.[heft etymology, heft origin, 英语词源]
heft (n.)youdaoicibaDictYouDict
mid-15c., "weight, heaviness, quality of weight," from heave on analogy of thieve/theft, weave/weft, etc.; also influenced by heft, obsolete past participle of heave.