English word thermotherapy comes from English therapy, English thermo- (Heat.)

Detailed word origin of thermotherapy

Dictionary entry	Language	Definition
therapy	English (eng)	(intransitive, rare) To undergo a therapy.. (transitive, rare) To treat with a therapy. Attempted remediation of a health problem following a diagnosis, usually synonymous with treatment.. Healing power or quality.. Specifically, psychotherapy.
thermo-	English (eng)	Heat.
thermotherapy	English (eng)	(medicine) The use of heat to treat disease.

Words with the same origin as thermotherapy