English

heteropartner

From hetero- + partner.

Proto-Indo-European *sem- ‘one, whole’

Proto-Indo-European *sḿ̥teros

Proto-Hellenic *hə́teros

Ancient Greek ἕτερος ‘other, another, different’

Middle English partener

Today it means

noun A heterosexual partner

Language periods are conventional ranges, not dates for this word.

Etymograph / heteropartner