Where does “*welven” come from?

*welven (Old Dutch) comes from Proto-Germanic *hwalbijaną, from Proto-Germanic *hwalbaz — curved, vaulted.

Ancestry of “*welven”, step by step

StepLanguageWordMeaning
1Proto-Germanic*hwalbijanąto cause to turn over
2Proto-Germanic*hwalbazcurved, vaulted

Words derived from “*welven”

Every word from Proto-Germanic *hwalbaz →Every word from Proto-Germanic *hwalbijaną →