Dutch aak

← Middle Dutch aecke (inherited)

← Middle Dutch naecke (mention)

← Proto-Germanic *nakwô (inherited)

← Proto-West Germanic *nakwō (inherited)

← Old Dutch *nako (inherited)

→ Old English naca (cognate)

→ German Nachen (cognate)

→ German Aak (borrowed)

→ Luxembourgish Naachen (cognate)

→ German Low German Âken (cognate)

→ Russian аак (borrowed)