German Low German Luus

← Danish lus (cognate)

← German Laus (cognate)

← English louse (cognate)

← West Frisian lûs (cognate)

← Proto-Germanic *lūs (inherited)

← Middle Low German lûs (inherited)

← Dutch luis (cognate)

← Old Saxon *lūs (inherited)

→ English louse (cognate)