Where does “piggtråd” come from?

piggtråd (Norwegian Bokmål) comes from Norwegian Bokmål tråd, from Old Norse þráðr, from Proto-Germanic þrēduz, from Proto-Indo-European treh₁-tu-, from Proto-Indo-European terh₁- — to rub, turn; to drill, pierce.

piggtråd (Norwegian Bokmål): barbed wire

Definitions

  1. barbed wire

Ancestry of “piggtråd”, step by step

piggtråd traces back through two separate lines of ancestry.

via Norwegian Bokmål tråd

StepLanguageWordMeaning
1Norwegian Bokmåltråda thread; a wire
2Old Norseþráðrthread; past participle of þreyja; past...
3Proto-Germanicþrēduzthread, twisted fibre
4Proto-Indo-Europeantreh₁-tu-—
5Proto-Indo-Europeanterh₁-to rub, turn; to drill, pierce

via Norwegian Bokmål pigg

StepLanguageWordMeaning
1Norwegian Bokmålpigga spike; a stud; a spine or quill
2Old Norsepík—
3Proto-Germanicpīkazsharp point, pike, pickaxe, peak
Every word from Proto-Indo-European terh₁- →Every word from Proto-Indo-European treh₁-tu- →Every word from Proto-Germanic þrēduz →