Middle English word light comes from Proto-Indo-European *lewk-, Proto-Indo-European *h₁lengʷʰ-, and later Proto-Germanic *leuhtaz (Light, bright.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *lewk- | Proto-Indo-European (ine-pro) | |
| *h₁lengʷʰ- | Proto-Indo-European (ine-pro) | |
| *lewktom | Proto-Indo-European (ine-pro) | |
| *leuhtaz | Proto-Germanic (gem-pro) | Light, bright. |
| *h₁lengʷʰ-tos | Proto-Indo-European (ine-pro) | |
| *leuhtą | Proto-Germanic (gem-pro) | Light. |
| *linhtaz | Proto-Germanic (gem-pro) | Light (not heavy). |
| leoht | Old English (ang) | Light (illumination). |
| lēoht | Old English (ang) | |
| leoht | Middle English (enm) |