German was

← Bavarian was (cognate)

← Bavarian wås (mention)

← Danish hvad (cognate)

← German wat (doublet)

← English what (cognate)

← Proto-Germanic *hwat (inherited)

← Middle High German waz (inherited)

← East Central German was (mention)

← Old High German waz (inherited)

← Old High German hwaz (mention)

← Proto-Indo-European *kʷod (inherited)

← Dutch wat (cognate)

→ English what (cognate)

→ Cimbrian baz (cognate)

→ Cimbrian bas (cognate)

→ German wat (doublet)

→ Alemannic German waas (cognate)

→ Dutch wat (cognate)

→ Pennsylvania German was (cognate)