English

monomer

From mono- + -mer.

A compound of mono- + -mer

Proto-Indo-European *men-

Proto-Hellenic *mónwos

Ancient Greek μόνος ‘alone, only, sole, single’

English mono-

Today it means

noun A relatively small molecule which can be covalently bonded to other monomers to form a polymer or oligomer.

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