Where does “lightmap” come from?

lightmap (English) comes from English Light, 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.

lightmap (English): A precomputed data structure that stores the...

Definitions

  1. A precomputed data structure that stores the...

Ancestry of “lightmap”, step by step

lightmap traces back through two separate lines of ancestry.

via English Light

StepLanguageWordMeaning
1EnglishLightA place name
2Middle EnglishlightThe radiation which allows for vision by...
3Old Englishlēohtluminous, bright, light, clear, resplendent,...
4Proto-West Germanicleuhtlight, bright; light
5Proto-Germanicleuhtąlight
6Proto-Indo-Europeanlewktom
7Proto-Indo-Europeanlewk-bright; to shine; to see

via English map

StepLanguageWordMeaning
1EnglishmapA visual representation of an area, whether real...
2Middle Englishmappemounde
3Old Frenchmapamondeworld map
4Latinmundusclean, pure; neat; nice, fine, elegant,...
5Proto-Indo-EuropeanmewH-to wash, wet; to make wet, wash; wet
Every word from Proto-Indo-European lewk-Every word from Proto-Indo-European lewktomEvery word from Proto-Germanic leuhtą
lightmap — Etymology, Origin & Word History | Etymology Explorer