affront
v.
early 14c., from Old French afronter "to face, confront, to slap in the face" (13c.), from Late Latin affrontare "to strike against," from Latin ad frontem "to the face," from ad (see ad-) + frons (genitive frontis) "forehead, front" (see front, n.). Related: Affronted; affronting.
n.
1590s, from affront, v..
〔李〕[af-;front] v.（挑战似地）面对； 当众侮辱 ←front (F frons)=forehead, foremost part 前额，前部