Where does “stirk” come from?

stirk (Middle English) comes from Old English stīrc, from Proto-Germanic stiurikaz, from Proto-Germanic steuraz, from Proto-Indo-European táwros — wild bull, aurochs.

Ancestry of “stirk”, step by step

StepLanguageWordMeaning
1Old Englishstīrcstirk
2Proto-Germanicstiurikazbullock
3Proto-Germanicsteurazbull
4Proto-Indo-Europeantáwroswild bull, aurochs

Words derived from “stirk

Every word from Proto-Indo-European táwrosEvery word from Proto-Germanic steurazEvery word from Proto-Germanic stiurikaz