English

heterofibril

From hetero- + fibril.

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

Proto-Indo-European *sḿ̥teros

Proto-Hellenic *hə́teros

Ancient Greek ἕτερος ‘other, another, different’

Latin fibra ‘fibre, filament’

Latin fibrilla

Today it means

noun A fibril composed of two or more types of collagen

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

Etymograph / heterofibril