The story
- Proto-Indo-European*sríHgos
- Proto-Italic*srīgos
- Latinfrīgus
- Latinfrīgeō
- Proto-Indo-European*dʰeh₁-
- Latinfrīgidus
- English todayfrigid
Borrowed from Latin frīgidus (“cold”), from frīgeō (“to be cold”), from frīgus (“cold, coldness”), from Proto-Indo-European *sríHgos.
Etymology from Wiktionary, CC BY-SA 4.0.