German kieken

← German gucken (cognate)

← German kucken (mention)

← Middle Low German kîken (borrowed)

← Proto-West Germanic *kīkan (derived)

← Dutch kijken (cognate)

← Old Saxon kīkan (derived)

→ English geek (mention)

→ Danish kigge (cognate)

→ German kucken (mention)

→ German auf dem Kieker (mention)