aris·to- \in pronunciations below, ̷ ̷| ̷ ̷(ˌ) ̷ ̷.ə|ri(ˌ)stō or -_stə sometimes a|-\combining form Etymology: Middle French & Late Latin; Middle French, from Late Latin, from Greek, from aristos; akin to Greek arariskein to fit — more at arm 1.: best < aristogenesis > 2.: aristocracy and < aristodemocracy > : aristocratic and < aristodemocratic >