Word Origin & History
chamfer1601, "small groove cut in wood or stone," from M.Fr. chanfraindre (Mod.Fr. chanfreiner), pp. of chanfraint, second element from L. frangere "to break;" perhaps the whole word is cantum frangere "to break the edge." Meaning "bevelled surface of a square edge or corner" is attested from c.1840, of uncertain
EXPANDconnection to the other sense.
chamferedc.1570, "channelled, fluted," from the verb form of
chamfer (q.v.). Meaning "bevelled off" is from c.1790.
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