Calor
/ˈkæ.lɔr/noun
Heat; especially intense heat.
Did you know?Latin *calor* gave English a whole family of heat-words, including *calorie*, *calculate* (originally “to reckon with pebbles,” not heat), and *chiliastic* only by later sound-alike confusion, but it is also the source of the Romance words for warmth.
Etymological Timeline
Proto-Indo-European
PIE
*kel-
“To be warm; to heat”
Latin
Latin
calor
“Heat, warmth, ardor”
Late Latin
Latin
caloria
“A unit of heat”
Old French
Old French
calorie
“Heat unit”
Modern English
English
calor
“Heat; warmth”