English

pyrotherapy

From pyro- + therapy.

Proto-Indo-European *péh₂wr̥ ‘fire’

Proto-Hellenic *pāwər

Ancient Greek πῦρ ‘fire’

Latin pyr

English pyro-

Ancient Greek θεράπων ‘attendant, aide’

Ancient Greek θεραπεύω ‘to serve, treat medically’

Ancient Greek θεραπεία ‘service, medical treatment’

New Latin therapīa ‘therapy’

Today it means

noun The therapeutic use of fever (high body temperature)

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

Etymograph / pyrotherapy