Where does “*sibun” come from?

*sibun (Proto-West Germanic) comes from Proto-Germanic sebun, from Proto-Germanic sebunt, from Proto-Indo-European septḿ̥ — seven.

Ancestry of “*sibun”, step by step

StepLanguageWordMeaning
1Proto-Germanicsebunseven
2Proto-Germanicsebunt—
3Proto-Indo-Europeanseptḿ̥seven

Words derived from “*sibun”

Every word from Proto-Indo-European septḿ̥ →Every word from Proto-Germanic sebunt →Every word from Proto-Germanic sebun →