English

hypocaloric

From hypo- + caloric.

Proto-Indo-European *upó ‘under, below’

Ancient Greek ὑπό ‘under’

English hypo-

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 that is low in dietary calories

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

Etymograph / hypocaloric