Etymograph

English

propicillin

Blend of propyl + penicillin.

A blend of propyl + penicillin

French méthylène

French propionique ‘propionic’

French propylique ‘propylic’

English propyl

Today it means

noun A penicillin.

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

Etymograph / propicillin