man
In English, man has 3 different meanings When used as noun it is man (male human) or even human, person It can only be used as pronoun meaning typically singular, indefinite pronoun: one, you (indefinite). It can only be used as verb meaning alternative form of mone (“shall”)
It evolved from 2 origins. Comes from Proto-Indo-European *mon-. Comes from From Old English man, reduced form of mann; see Etymology 1 above.