Etymograph

English

prozone

From pro- + zone.

Formed from pro- + zone

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-

Proto-Indo-European *yoh₃snéh₂

Ancient Greek ζώνη ‘belt, sash, girdle’

Latin zōna ‘belt’

English zone

Today it means

noun The range of antibody concentrations within which reaction is inhibited.

Sources

Sources: Wiktionary, “prozone”. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.

Etymograph / prozone