Where does “tre” come from?

tre (Norwegian Nynorsk) comes 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.

tre (Norwegian Nynorsk): three; tree; wood

Definitions

  1. three; tree; wood

Ancestry of “tre”, step by step

tre traces back through 3 separate lines of ancestry.

via Old Norse tré

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

via Norwegian Nynorsk treda

StepLanguageWordMeaning
1Norwegian Nynorsktredaform removed with the spelling reform of 2012;...
2Middle Low Germantreden
3Old Saxontredanto tread
4Proto-West Germanictredanto tread
5Proto-Germanictrudanąto tread, to step on
6Proto-Indo-Europeandreu-tree; firm, solid, steadfast

via Danish tre

StepLanguageWordMeaning
1Danishtrethree
2Old Norseþrírthree
3Proto-Norseᚦᚱᛁᛃᛟᛉthree
4Proto-Germanicþrīzthree
5Proto-Indo-European*tréyes

Words derived from “tre

Every word from Proto-Indo-European drew-Every word from Proto-Indo-European dóruEvery word from Proto-Hellenic dóru