Latin word frigus comes from Proto-Indo-European *sriHgos

Detailed word origin of frigus

Dictionary entry	Language	Definition
*sriHgos	Proto-Indo-European (ine-pro)
frigus	Latin (lat)	(figuratively) a cold reception, indifference. (figuratively) inactivity, indolence, slowness. A chill, fever. A cold region, place, area or spot. A cold shudder which is produced by fear. Cold, coldness, coolness, chilliness. The cold of winter; winter; frost. The coldness of death; death.

Words with the same origin as frigus