Where does “radiator” come from?

radiator (Latin) comes from Latin radio, from Latin -ō, from Proto-Indo-European -ō — Derives nouns from roots.

radiator (Latin): second-person singular future passive imperative...

Definitions

  1. second-person singular future passive imperative...

Ancestry of “radiator”, step by step

StepLanguageWordMeaning
1LatinradioI cause to radiate, irradiate; I radiate, emit...
2Latinsuffixed to nouns or adjectives. Originally a-stem nouns. Later extended to nouns with other stems. Forms regular first-conjugation verbs
3Proto-Indo-EuropeanDerives nouns from roots
Every word from Proto-Indo-European Every word from Latin Every word from Latin radio
radiator — Etymology, Origin & Word History | Etymology Explorer