Where does “boton” come from?

boton (Old Swedish) 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 “boton”, step by step

StepLanguageWordMeaning
1Old Norsebotnbottom
2Proto-Germanicbutmazbottom; foundation; ground; abyss
3Proto-Indo-Europeanbʰudʰmḗnbottom
4Proto-Indo-Europeandʰewbʰ-deep
5Proto-Indo-Europeandʰewh₂-smoke; mist, haze
Every word from Proto-Indo-European dʰewh₂- →Every word from Proto-Indo-European dʰewbʰ- →Every word from Proto-Indo-European bʰudʰmḗn →