French word frileux comes from Proto-Indo-European *sriHges-
| Dictionary entry | Language | Definition |
|---|---|---|
| *sriHges- | 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. |
| frīgorōsus | Late Latin (LL) | |
| frileux | French (fra) | Cautious (of policy, attitude etc.). Sensitive to the cold. |