English
tomotherapy
From tomo- + therapy.
Proto-Indo-European *temh₁- ‘to cut’
Proto-Indo-European *tm̥-né-h₁-ti
Ancient Greek τέμνω ‘to cut’
Ancient Greek τόμος ‘section, slice’
English tomo-
Ancient Greek θεράπων ‘attendant, aide’
Ancient Greek θεραπεύω ‘to serve, treat medically’
Ancient Greek θεραπεία ‘service, medical treatment’
New Latin therapīa ‘therapy’
English therapy
Today it means
noun radiation therapy delivered in "slices" in the manner of tomography
Sources
Sources: Wiktionary, “tomotherapy”. 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 / tomotherapy