Where does “hårnålssving” come from?

hårnålssving (Norwegian Bokmål) comes from Norwegian Bokmål sving, from Norwegian Bokmål svinge, from German Schwingen, from Middle High German swingen, from Old High German swingan, from Proto-West Germanic *swingan, from Proto-Germanic swinganą, from Proto-Indo-European swenk- — to bend, swing, swivel.

hårnålssving (Norwegian Bokmål): a hairpin bend

Definitions

  1. a hairpin bend

Ancestry of “hårnålssving”, step by step

hårnålssving traces back through two separate lines of ancestry.

via Norwegian Bokmål sving

StepLanguageWordMeaning
1Norwegian Bokmålsvingswing, sweep; a bend; a turn
2Norwegian Bokmålsvingeto swing, sway; to fluctuate, oscillate; to turn
3GermanSchwingenvibration, oscillation; wrestling; wings
4Middle High Germanswingento swing
5Old High Germanswingan
6Proto-West Germanic*swinganto swing
7Proto-Germanicswinganąto swing
8Proto-Indo-Europeanswenk-to bend, swing, swivel

via Norwegian Bokmål hårnål

StepLanguageWordMeaning
1Norwegian Bokmålhårnåla hairpin
2Norwegian Bokmålnåla needle
3Old Norsenálneedle
4Proto-Germanicnēþlōneedle
5Proto-Indo-European(s)neh₁-to spin (thread), to sew
Every word from Proto-Indo-European swenk-Every word from Proto-Germanic swinganąEvery word from Proto-West Germanic *swingan