Where does “arclight” come from?

arclight (English) comes from English light, from Middle English liht, from Middle English light, from Old English lēoht, from Proto-West Germanic leuht, from Proto-Germanic leuhtą, from Proto-Indo-European lewktom, from Proto-Indo-European lewk- — bright; to shine; to see.

arclight (English): A lamp that produces light by generating an...

Definitions

  1. A lamp that produces light by generating an...

Ancestry of “arclight”, step by step

arclight traces back through two separate lines of ancestry.

via English light

StepLanguageWordMeaning
1EnglishlightVisible electromagnetic radiation. The human eye...
2Middle EnglishlihtAlternative form of light
3Middle EnglishlightThe radiation which allows for vision by...
4Old Englishlēohtluminous, bright, light, clear, resplendent,...
5Proto-West Germanicleuhtlight, bright; light
6Proto-Germanicleuhtąlight
7Proto-Indo-Europeanlewktom
8Proto-Indo-Europeanlewk-bright; to shine; to see

via English arc

StepLanguageWordMeaning
1EnglisharcThat part of a circle which a heavenly body...
2Middle EnglisharkThe path of the sun across the sky
3Old Frencharcbow; arch
4Latinarcusarc, arch; bow; rainbow
5Latinsoliumseat, chair; throne, chair of state, official...
6Proto-Indo-Europeansodyom
7Proto-Indo-Europeansḗd-to sit
Every word from Proto-Indo-European lewk-
arclight — Etymology, Origin & Word History | Etymology Explorer