Where does “þrāwen” come from?

þrāwen (Old English) comes from Proto-Germanic þrēanaz, from Proto-Germanic þrēaną, from Proto-Indo-European terh₁- — to rub, turn; to drill, pierce.

Ancestry of “þrāwen”, step by step

StepLanguageWordMeaning
1Proto-Germanicþrēanaz—
2Proto-Germanicþrēanąto twist, to turn
3Proto-Indo-Europeanterh₁-to rub, turn; to drill, pierce
Every word from Proto-Indo-European terh₁- →Every word from Proto-Germanic þrēaną →Every word from Proto-Germanic þrēanaz →