-mate

From the noun mate (“fellow, comrade, partner”).

-mate

1. Used to form nouns having the sense of "a comrade or fellow with whom what is denoted by the noun is shared".

   classmate, schoolmate

• “-mate”, in Cambridge English Dictionary, Cambridge, Cambridgeshire: Cambridge University Press, 1999–present.

• Meta, META, meta-, team, meat, AEMT, Team, Tema, Atem, Tame, meta, ATEM, tame