Etymology tree
Proto-Germanic *gamaną
Proto-West Germanic *gaman
Old English gamen
Middle English game
Latin -ariusbor.
Proto-Germanic *-ārijaz
Proto-West Germanic *-ārī
Old English -ere
Middle English -ere
Middle English gamer
English gamer
From Middle English gamer, attested since before 1450 as a common noun and possibly since 1248 in the name of one Johannes le Gamer. Equivalent to game (noun) + -er (occupational suffix).