Where does “þvær” come from?

þvær (Old Swedish) comes from Old Norse þverr, from Proto-Germanic þwerhaz, from Proto-Germanic þerh-, from Proto-Indo-European terkʷ- — to turn, spin.

Ancestry of “þvær”, step by step

StepLanguageWordMeaning
1Old Norseþverrathwart, transverse; adverse, contrary; cross,...
2Proto-Germanicþwerhazcross, adverse
3Proto-Germanicþerh-—
4Proto-Indo-Europeanterkʷ-to turn, spin
Every word from Proto-Indo-European terkʷ- →Every word from Proto-Germanic þerh- →Every word from Proto-Germanic þwerhaz →