Where does “thwong” come from?

thwong (Middle English) comes from Proto-West Germanic þwangi, from Proto-Germanic þwangiz, from Proto-Indo-European twenk- — to press, squeeze; to squeeze, press, pressure.

Ancestry of “thwong”, step by step

StepLanguageWordMeaning
1Proto-West Germanicþwangibelt, strap, thong
2Proto-Germanicþwangizbelt, strap, thong; clamp
3Proto-Indo-Europeantwenk-to press, squeeze; to squeeze, press, pressure
Every word from Proto-Indo-European twenk- →Every word from Proto-Germanic þwangiz →Every word from Proto-West Germanic þwangi →