And heter - are also Greek prefixes derived from the pronombre-adjetivo straights hetera heteron which means another, another similar, different, if not, forming words as heterosexual, heterogeneous, heterodoxy, heteronomy, heterotrofia, heterochrony.., meaning always opposite of sex, gender, diversity, doctrine, standard, power, time... respectively. It is at odds with hom-, homo, homeo - meaning the same, similar or equal.