←
Middle Dutch dat (inherited)
←
Proto-Germanic *þat (inherited)
←
Proto-Germanic *sa (mention)
←
Old Dutch that (inherited)
→
Afrikaans dat (inherited)
→
Middle Dutch die (link)
→
Alemannic German s (cognate)
→
Luxembourgish dat (cognate)
→
Luxembourgish datt (cognate)