Where does “tannsteinur” come from?

tannsteinur (Faroese) comes from Faroese Steinur, from Old Norse Steinn, from Proto-Norse ᛊᛏᚨᛁᚾᚨᛉ, from Proto-Germanic stainaz, from Proto-Indo-European steyh₂-, from Proto-Indo-European steh₂- — to stand.

tannsteinur (Faroese): calculus, dental calculus, tartar, odontolith

Definitions

  1. calculus, dental calculus, tartar, odontolith

Ancestry of “tannsteinur”, step by step

tannsteinur traces back through two separate lines of ancestry.

via Faroese Steinur

StepLanguageWordMeaning
1FaroeseSteinurstone
2Old NorseSteinna stone, boulder, rock
3Proto-Norseᛊᛏᚨᛁᚾᚨᛉstone
4Proto-Germanicstainazstone
5Proto-Indo-Europeansteyh₂-to stiffen
6Proto-Indo-Europeansteh₂-to stand

via Faroese tonn

StepLanguageWordMeaning
1Faroesetonntooth
2Old Norsetǫnntooth
3Proto-Germanictanþstooth
4Proto-Indo-Europeanh₃dóntstooth
5Proto-Indo-Europeanh₁ed-to eat
Every word from Proto-Indo-European steh₂- →Every word from Proto-Indo-European steyh₂- →Every word from Proto-Germanic stainaz →