Where does “welvan” come from?

welvan (Old Dutch) comes from Proto-Germanic hwelbaną, from Proto-Indo-European kʷelp-, from Proto-Indo-European kʷel- — to turn.

Ancestry of “welvan”, step by step

StepLanguageWordMeaning
1Proto-Germanichwelbanąto curve, vault
2Proto-Indo-Europeankʷelp-to bend; to curve, arch
3Proto-Indo-Europeankʷel-to turn
Every word from Proto-Indo-European kʷel- →Every word from Proto-Indo-European kʷelp- →Every word from Proto-Germanic hwelbaną →