Dutch dwaas

← German quasseln (cognate)

← Middle Dutch dwaes (inherited)

← Proto-Germanic *dwēsaz (inherited)

← Proto-West Germanic *dwās (inherited)

← Old Dutch *dwās (inherited)

→ Old English dwæs (cognate)

→ German quasseln (cognate)

→ Dutch mal (mention)

→ Dutch door (link)

→ Dutch dwaasheid (suffix)