English
heterotrimer
From hetero- + trimer.
A compound of hetero- + trimer
Proto-Indo-European *sem- ‘one, whole’
Proto-Indo-European *sḿ̥teros
Proto-Hellenic *hə́teros
Ancient Greek ἕτερος ‘other, another, different’
English hetero-
Today it means
noun A trimer, especially a biologically active one, derived from two or more different (but similar) monomers.
Language periods are conventional ranges, not dates for this word.
Etymograph / heterotrimer