-merous

UK /-məɹəs/ · US /-məɹəs/

Etymology From French -mère and its etymon Ancient Greek -μερής (-merḗs, “having (the specified number of) parts”, “sharing”): the combining form of μέρος (méros, “part”)) with the English suffix -ous; compare the English -mer and -mere, as well as the French -mère and the German -mer.