Where does “λουξ” come from?

λουξ (Greek) comes from French luxe, from Latin luxus, from Proto-Italic louksos, from Proto-Indo-European lewg-so-s, from Proto-Indo-European lewg- — to bend.

λουξ (Greek): lux SI Unit of illuminance

Definitions

  1. lux SI Unit of illuminance

Ancestry of “λουξ”, step by step

λουξ traces back through two separate lines of ancestry.

via French luxe

StepLanguageWordMeaning
1Frenchluxeluxury; first-person singular present indicative...
2Latinluxusdislocated; a dislocation; extravagance, luxury,...
3Proto-Italiclouksos—
4Proto-Indo-Europeanlewg-so-s—
5Proto-Indo-Europeanlewg-to bend

via German Lux

StepLanguageWordMeaning
1GermanLuxlux
2Latinlūxlight (of the sun, stars etc.)
3Proto-Italicloukslight
4Proto-Indo-Europeanlewḱ-lynx
5Proto-Indo-Europeanlewk-bright; to shine; to see
Every word from Proto-Indo-European lewg- →Every word from Proto-Indo-European lewg-so-s →Every word from Proto-Italic louksos →