abutyoudaoicibaDictYouDict[abut 词源字典]
abut: see butt
[abut etymology, abut origin, 英语词源]
abut (v.)youdaoicibaDictYouDict
mid-13c., "to end at, to border on," from Old French aboter "join end to end, touch upon" (13c.), from à "to" (see ad-) + bout "end" (see butt (n.3)). Related: Abutted; abutting.