Latin word imbrex comes from Proto-Indo-European *nebʰ-, Proto-Indo-European - -rós, and later Proto-Indo-European *n̥bʰrós (Rain-cloud, with semantic narrowing to rain, cloud.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *nebʰ- | Proto-Indo-European (ine-pro) | |
| - -rós | Proto-Indo-European (ine-pro) | |
| *n̥bʰrós | Proto-Indo-European (ine-pro) | Rain-cloud, with semantic narrowing to rain, cloud. |
| *n̥βros | Proto-Italic (itc-pro) | |
| imber | Latin (lat) | (poetic) a stormcloud. A storm. Rain. |
| imbrex | Latin (lat) | Imbrex, pantile. |