Where does “rørlegger” come from?

rørlegger (Norwegian Bokmål) comes from Norwegian Bokmål rør, from Middle Low German rōder, from Old Saxon rōthar, from Proto-Germanic rōþrą, from Proto-Indo-European h₁reh₁- — to row; to separate; loose, sparse, rare.

rørlegger (Norwegian Bokmål): plumber, literally “pipe layman”

Definitions

  1. plumber, literally “pipe layman”

Ancestry of “rørlegger”, step by step

rørlegger traces back through two separate lines of ancestry.

via Norwegian Bokmål rør

StepLanguageWordMeaning
1Norwegian Bokmålrørpipe, tube; cane; mess
2Middle Low Germanrōder
3Old Saxonrōthar
4Proto-Germanicrōþrąoar; rudder
5Proto-Indo-Europeanh₁reh₁-to row; to separate; loose, sparse, rare

via Norwegian Bokmål legger

StepLanguageWordMeaning
1Norwegian Bokmålleggerindefinite plural of legg; present active of...
Every word from Proto-Indo-European h₁reh₁-Every word from Proto-Germanic rōþrąEvery word from Old Saxon rōthar