Where does “trearbeid” come from?

trearbeid (Norwegian Bokmål) comes from Norwegian Bokmål tre, from Old Norse tré, from Proto-Germanic trewą, from English doru, from Ancient Greek δόρυ, from Proto-Hellenic dóru, from Proto-Indo-European dóru, from Proto-Indo-European drew- — hard, firm, strong, solid; hard, fast; tree.

trearbeid (Norwegian Bokmål): woodwork

Definitions

  1. woodwork

Ancestry of “trearbeid”, step by step

trearbeid traces back through two separate lines of ancestry.

via Norwegian Bokmål tre

StepLanguageWordMeaning
1Norwegian Bokmåltrethree; tree; wood
2Old Norsetrétree; the mast of a ship; ree, rafter, beam
3Proto-Germanictrewątree
4EnglishdoruAlternative form of dory
5Ancient Greekδόρυwood, tree, stem; spear shaft, spear, lance,...
6Proto-Hellenicdórutree
7Proto-Indo-Europeandórutree
8Proto-Indo-Europeandrew-hard, firm, strong, solid; hard, fast; tree

via Norwegian Bokmål arbeid

StepLanguageWordMeaning
1Norwegian Bokmålarbeidwork; imperative of arbeide
2Middle Low Germanarbeit
3Old Saxonarvēdlabour
4Proto-West Germanicarbaiþihardship
5Proto-Germanicarbaidizlabour, work, toil; hardship, suffering
6Proto-Indo-Europeanh₃órbʰosorphan; servant, slave, worker
7Proto-Indo-Europeanh₃erbʰ-to change allegiance, status, ownership;...
Every word from Proto-Indo-European drew-Every word from Proto-Indo-European dóruEvery word from Proto-Hellenic dóru