Where does “*þwerh” come from?

*þwerh (Proto-Germanic) comes from Proto-Germanic þwerhaz, from Proto-Germanic þerh-, from Proto-Indo-European terkʷ- — to turn, spin.

Ancestry of “*þwerh”, step by step

StepLanguageWordMeaning
1Proto-Germanicþwerhazcross, adverse
2Proto-Germanicþerh-—
3Proto-Indo-Europeanterkʷ-to turn, spin

Words derived from “*þwerh”

Every word from Proto-Indo-European terkʷ- →Every word from Proto-Germanic þerh- →Every word from Proto-Germanic þwerhaz →