> From Middle English game, gamen, gammen, from Old English gamen (“sport, joy, mirth, pastime, game, amusement, pleasure”), from Proto-Germanic *gamaną (“amusement, pleasure, game", literally "participation, communion, people together”), from *ga- (collective prefix) + *mann- (“man”), equivalent to ge- + man; or alternatively from *ga- + a root from Proto-Indo-European *men- (“to think, have in mind”), equivalent to ge- + mind.
Cognate with Middle High German gamen (“joy, amusement, fun, pleasure”), Swedish gamman (“mirth, rejoicing, merriment”), Icelandic gaman (“fun”). Related…