Where does “opptre” come from?

opptre (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.

opptre (Norwegian Bokmål): to act, behave; to appear, perform; to occur

Definitions

  1. to act, behave; to appear, perform; to occur

Ancestry of “opptre”, step by step

opptre 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 opp

StepLanguageWordMeaning
1Norwegian Bokmåloppup
2Danishopup
3Old Norseuppup
4Proto-Germanicuppup, upwards
5Proto-Germanicubunder
6Proto-Indo-Europeanupóunder, below
7Proto-Indo-Europeanh₃ewp-
Every word from Proto-Indo-European drew-Every word from Proto-Indo-European dóruEvery word from Proto-Hellenic dóru