radiotherapy

noun

Etymology: Etymology tree Latin radiusder. English radio- Proto-Indo-European *treb-der.? Ancient Greek θερᾰ́πων (therắpōn) Ancient Greek -εύς (-eús) Ancient Greek -εύω (-eúō) Ancient Greek θεραπεύω (therapeúō) Proto-Indo-European *-h₂ Proto-Indo-European *-éh₂ Proto-Indo-European *-i-eh₂ Proto-Hellenic *-íā Ancient Greek -ία (-ía) Ancient Greek θεραπεία (therapeía)bor. New Latin therapīabor. English therapy English radiotherapy From radio- + therapy.

1. Synonym of radiation therapy.