German Knubbel

← German Knopf (mention)

← English knob (cognate)

← Middle Low German knobbe (derived)

← Dutch knobbel (cognate)

→ English knob (mention)

→ German Knauf (cognate)

→ German Knübbelchen (affix)

→ Dutch knop (cognate)

→ Dutch knobbel (mention)