←
Proto-Germanic *hwat (inherited)
←
Proto-Indo-European *kʷod (inherited)
→
Old English hwæt (cognate)
→
Cimbrian baz (inherited)
→
Cimbrian bas (inherited)
→
Alemannic German waas (inherited)
→
Hunsrik was (inherited)
→
Old Norse hvat (cognate)
→
Yiddish וואָס (inherited)