Where does “*Kolabotn” come from?

*Kolabotn (Old Norse) comes from Old Norse botn, from Proto-Germanic butmaz, from Proto-Indo-European bʰudʰmḗn, from Proto-Indo-European dʰewbʰ-, from Proto-Indo-European dʰewh₂- — smoke; mist, haze.

Ancestry of “*Kolabotn”, step by step

*Kolabotn traces back through two separate lines of ancestry.

via Old Norse botn

StepLanguageWordMeaning
1Old Norsebotnbottom
2Proto-Germanicbutmazbottom; foundation; ground; abyss
3Proto-Indo-Europeanbʰudʰmḗnbottom
4Proto-Indo-Europeandʰewbʰ-deep
5Proto-Indo-Europeandʰewh₂-smoke; mist, haze

via Old Norse kol

StepLanguageWordMeaning
1Old Norsekolcoal
2Proto-Germanickulącoal
3Proto-Indo-Europeangʷol-
4Proto-Indo-EuropeanǵwelH-to burn; to shine

Words derived from “*Kolabotn

Every word from Proto-Indo-European dʰewh₂-Every word from Proto-Indo-European dʰewbʰ-Every word from Proto-Indo-European bʰudʰmḗn