English
teamplay
From team + play.
Proto-Indo-European *dewk- ‘to pull, lead’
…
Proto-Germanic *taumaz ‘that which draws or pulls’
Proto-West Germanic *taum
Old English tēam ‘offspring; set of draught animals’
Middle English tem
English team
Proto-West Germanic *plegō ‘an exercise’
Proto-West Germanic *plegōn ‘to move; to engage, practice’
Old English plegian ‘to play’
Middle English pleyen ‘to engage in a game or sport’
English play
Today it means
noun A competitive gameplay mode in which players are grouped into teams.
Language periods are conventional ranges, not dates for this word.
Etymograph / teamplay