English

malbehavior

mal- + behavior

Proto-Italic *malos

Archaic Latin malos

Latin malus ‘bad’

Latin male ‘badly’

English mal-

Proto-West Germanic *bihabbjan

Old English behabban ‘to hold, contain’

Middle English behaven

Middle English behavoure

Today it means

noun Synonym of misbehavior.

Language periods are conventional ranges, not dates for this word.

Etymograph / malbehavior