hone (n.)youdaoicibaDictYouDict[hone 词源字典]
"whetstone," Old English han "stone, rock, (boundary) stone," in Middle English "whetstone" (early 14c.), from Proto-Germanic *haino (source also of Old Norse hein "hone").[hone etymology, hone origin, 英语词源]
hone (v.)youdaoicibaDictYouDict
1788, from hone (n.). Related: Honed; honing.