English

acaloric

From a- + caloric.

Formed from a- + caloric

Proto-Indo-European *uds- ‘up, out’

Proto-Germanic *uz- ‘out-’

Proto-West Germanic *uʀ- ‘up, out, over’

English a-

Proto-Indo-European *ḱleh₁- ‘to be hot’

…

Proto-Italic *kalēō

Latin caleō ‘to be warm, hot’

Latin calor ‘heat’

French calorique

Today it means

adj Not caloric (containing no calories)

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

Etymograph / acaloric