Latin word lumen comes from Proto-Germanic - atjaną, Proto-Indo-European *álbʰos, and later Proto-Germanic *luhatjaną (To sparkle, to flash brightly.)
| Dictionary entry | Language | Definition |
|---|---|---|
| - atjaną | Proto-Germanic (gem-pro) | |
| *álbʰos | Proto-Indo-European (ine) | |
| Ἀλβανοί | Ancient Greek (to 1453) (grc) | |
| *luhatjaną | Proto-Germanic (gem-pro) | To sparkle, to flash brightly. |
| 𐌻𐌰𐌿𐌷𐌰𐍄𐌾𐌰𐌽 | Gothic (got) | To lighten, flash with lightning. |
| *lewk- | Proto-Indo-European (ine) | |
| *leuhtaz | Proto-Germanic (gem-pro) | Light, bright. |
| *léwksmn̥ | Proto-Indo-European (ine) | |
| lumen | Latin (lat) | (poetic) brightness. (poetic) daylight. (poetic) the eyes. (poetic) the light of life. An opening through which light can penetrate such as an air-hole or a window.. The opening or orifice in a water-pipe or funnel. Light. |