resent origin: to re-feel emotional pain from and injury or an affront again and again and again and again. . .
resent (v.)
c. 1600, "feel pain or distress" (a sense now obsolete); 1620s, "take (something) ill, consider as an injury or affront; be in some degree angry or provoked at," from French ressentir "feel pain, regret," from Old French resentir "feel again, feel in turn" (13c.), from re-, here perhaps an intensive prefix (see re-), + sentir "to feel," from Latin sentire