Where does “strålspårning” come from?

strålspårning (Swedish) comes from Swedish spåra, from Old Swedish spara, from Old Norse spara, from Proto-Germanic sparāną, from Proto-Indo-European sper- — to fidget, twitch; to push; to be quick; to...

strålspårning (Swedish): ray tracing

Definitions

  1. ray tracing

Ancestry of “strålspårning”, step by step

strålspårning traces back through 3 separate lines of ancestry.

via Swedish spåra

StepLanguageWordMeaning
1Swedishspårato track, to trace; to follow the track or trail...
2Old Swedishsparato save, to store; to prevent, to deny; to spare
3Old Norsespara
4Proto-Germanicsparānąto be thrifty; be conservative; be sparing
5Proto-Indo-Europeansper-to fidget, twitch; to push; to be quick; to...

via Swedish stråle

StepLanguageWordMeaning
1Swedishstrålea ray, a beam; ray; a line extending indefinitely...
2Middle Dutchstrâlearrow
3Old Dutchstrāla
4Proto-West Germanic*strāluarrow

via English ray tracing

StepLanguageWordMeaning
1Englishray tracingA technique that produces realistically shaded images by projecting imaginary light rays to determine which parts of an object should be illuminated
Every word from Proto-Indo-European sper-Every word from Proto-Germanic sparānąEvery word from Old Norse spara