Old High German ahto

← Old English eahta (cognate)

← Proto-Germanic *ahtōu (inherited)

← Proto-West Germanic *ahtō (inherited)

← Proto-Indo-European *oḱtṓw (inherited)

← Old Norse átta (cognate)

→ Old English eahta (cognate)

→ Cimbrian achte (inherited)

→ German acht (inherited)

→ Central Franconian aach (inherited)

→ Zipser German åcht (inherited)

→ Alemannic German acht (inherited)

→ Alemannic German ocht (inherited)

→ Hunsrik acht (inherited)

→ Luxembourgish aacht (derived)

→ Latvian astoņi (cognate)

→ Mòcheno òcht (inherited)

→ Pennsylvania German acht (inherited)

→ Vilamovian aocht (inherited)

→ Yiddish אַכט (inherited)