Where does “badtunna” come from?

badtunna (Swedish) comes from Swedish tunna, from Swedish tunn, from Old Norse þunnr, from Proto-Germanic þunnuz, from Proto-Indo-European ténh₂us, from Proto-Indo-European tenh₂-, from Proto-Indo-European ten- — to stretch, to extend.

badtunna (Swedish): an (outdoor) hot tub

Definitions

  1. an (outdoor) hot tub

Ancestry of “badtunna”, step by step

badtunna traces back through two separate lines of ancestry.

via Swedish tunna

StepLanguageWordMeaning
1Swedishtunnato make or become thin or sparse, to disperse, to...
2Swedishtunnthin; having small thickness; scanty, thin;...
3Old Norseþunnrthin
4Proto-Germanicþunnuzthin
5Proto-Indo-Europeanténh₂usthin
6Proto-Indo-Europeantenh₂-to stretch, to extend
7Proto-Indo-Europeanten-to stretch, to extend

via Swedish bad

StepLanguageWordMeaning
1Swedishbada bath, the act of bathing; a bath, a place for...
2Old Swedishbädhbath
3Old Norsebeðrbolster, bedding
4Proto-Germanicbadjąbed; bedding
5Proto-Indo-Europeanbʰēdʰ-to bend, fold
6Proto-Indo-Europeanbʰedʰ-to bend, to press; to stab, dig; to dig
Every word from Proto-Indo-European ten-Every word from Proto-Indo-European tenh₂-Every word from Proto-Indo-European ténh₂us