English
magsman
From mag + -s- + man, of unclear origin.
Proto-Germanic *mann- ‘human being, person, man’
Proto-West Germanic *mann ‘person’
Old English mann ‘human being, person, man’
Middle English man
English man
The story
It has been suggested that mag was dialect for halfpenny or for prattle.disputed Scholars disagree here; the competing view is quoted as the source gives it.
Today it means
noun A con man who tries to deceive members of the public.
Language periods are conventional ranges, not dates for this word.
Etymograph / magsman