Where does “thwerhes” come from?

thwerhes (Old Dutch) comes from Proto-Germanic þwerhaz, from Proto-Germanic þerh-, from Proto-Indo-European terkʷ- — to turn, spin.

Ancestry of “thwerhes”, step by step

StepLanguageWordMeaning
1Proto-Germanicþwerhazcross, adverse
2Proto-Germanicþerh-—
3Proto-Indo-Europeanterkʷ-to turn, spin
Every word from Proto-Indo-European terkʷ- →Every word from Proto-Germanic þerh- →Every word from Proto-Germanic þwerhaz →