Etymograph

English

proenzyme

From pro- + enzyme.

A compound of pro- + enzyme

Proto-Indo-European *pér ‘through’

Proto-Indo-European *pró ‘forwards, before’

Proto-Italic *prō ‘in front of, before’

Latin prō ‘in favor of, on behalf of’

English pro-

German Enzym

English enzyme

Today it means

noun Any inactive precursor of an enzyme that is converted to an enzyme by proteolysis; a zymogen.

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

Etymograph / proenzyme