French word signal comes from Proto-Indo-European *sēik-, Dutch sein (Signal.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *sēik- | Proto-Indo-European (ine-pro) | |
| sein | Dutch (nld) | Signal. |
| signum | Latin (lat) | (Medieval Latin) a signum (medieval tower bell used particularly for ringing the 8 canonical hours). A mark, sign, emblem. A miracle. |
| signālis | Late Latin (LL) | |
| signale | Malayalam (mal) | |
| segnal | Old French (fro) | Emblem; badge. Signature; distinguishing mark showing ownership. |
| signal | French (fra) | Signal. |