Etymograph

English

pyrostat

From pyro- + -stat.

Formed from pyro + stat

Proto-Indo-European *péh₂wr̥ ‘fire’

Proto-Hellenic *pāwər

Ancient Greek πῦρ ‘fire’

English pyro

Latin statim ‘immediately’

English stat

Today it means

noun A thermostat designed to operate at high temperatures.

Sources

Sources: Wiktionary, “pyrostat”. 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 / pyrostat