出典:Wiktionary
tag-team (not comparable)
tag-team (三人称単数 現在形 tag-teams, 現在分詞 tag-teaming, 過去形および過去分詞形 tag-teamed)
Probably from tag (“children’s chasing game in which one player (known as ‘it’) attempts to touch another, who then becomes ‘it’; (baseball) instance of touching the baserunner with the ball or the ball in a gloved hand to rule him ‘out’”) + team.