English
manboy
From man + boy.
Proto-Germanic *mann- ‘human being, person, man’
Proto-West Germanic *mann ‘person’
Old English mann ‘human being, person, man’
Middle English man
English man
Proto-Indo-European *bʰā-
…
Proto-Germanic *bōjô ‘younger brother’
Proto-West Germanic *bōjō
Old English *bōia ‘boy’
Middle English boye ‘servant, commoner, knave, boy’
English boy
Today it means
noun An emotionally immature man.
Language periods are conventional ranges, not dates for this word.
Etymograph / manboy