Latin word frigor comes from Latin frigeo, Latin -or

Detailed word origin of frigor

Dictionary entry	Language	Definition
frigeo	Latin (lat)	(figuratively) I am coldly received or treated; I am without power.. (figuratively) I am inactive, languid or at a standstill; flag, droop.. I am cold or chilly; freeze.
-or	Latin (lat)	Used to form a third-declension masculine abstract noun from a verb root or conceived root form.
frigor	Latin (lat)	(Late Latin) cold.

Words with the same origin as frigor