Where does “swac” come from?

swac (Middle Dutch) comes from Old Dutch swak, from Proto-West Germanic swak, from Proto-Indo-European swe(n)g-.

Ancestry of “swac”, step by step

StepLanguageWordMeaning
1Old Dutchswak—
2Proto-West Germanicswakswinging; swaying; yielding easily; pliable; weak
3Proto-Indo-Europeanswe(n)g-—

Words derived from “swac”

Every word from Proto-Indo-European swe(n)g- →Every word from Proto-West Germanic swak →Every word from Old Dutch swak →