Where does “blålusern” come from?

blålusern (Swedish) comes from Swedish blå, from Swedish trä, from Old Norse tré, from Proto-Germanic trewą, from English doru, from Ancient Greek δόρυ, from Proto-Hellenic dóru, from Proto-Indo-European dóru — hard, firm, strong, solid; hard, fast; tree.

blålusern (Swedish): alfalfa, lucerne, Medicago sativa subsp. sativa

Definitions

  1. alfalfa, lucerne, Medicago sativa subsp. sativa

Ancestry of “blålusern”, step by step

blålusern traces back through two separate lines of ancestry.

via Swedish blå

StepLanguageWordMeaning
1Swedishblåblue; of or pertaining to conservatives or...
2Swedishträwood; a tree; Short for slagträ
3Old Norsetrétree; the mast of a ship; ree, rafter, beam
4Proto-Germanictrewątree
5EnglishdoruAlternative form of dory
6Ancient Greekδόρυwood, tree, stem; spear shaft, spear, lance,...
7Proto-Hellenicdórutree
8Proto-Indo-Europeandórutree
9Proto-Indo-Europeandrew-hard, firm, strong, solid; hard, fast; tree

via Swedish lusern

StepLanguageWordMeaning
1Swedishlusernmedick, burclover, any plant of the genus Medicago
2Frenchluzernealfalfa
3Occitanluzernoglowworm; glow-worm
4Latinlucernaa lamp, an oil lamp
5Latinlūcēre
Every word from Proto-Indo-European drew-Every word from Proto-Indo-European dóruEvery word from Proto-Hellenic dóru