German du

← English thou (cognate)

← Proto-Germanic *þū (inherited)

← Middle High German du (inherited)

← Middle High German duo (mention)

← Middle High German dū (mention)

← Proto-West Germanic *þū (inherited)

← Old High German dū (inherited)

← Proto-Indo-European *túh₂ (inherited)

← Old Saxon thū (cognate)

→ English thou (cognate)

→ Cimbrian du (cognate)

→ German ihr (mention)

→ German -e (mention)

→ Ido tu (borrowed)

→ Mòcheno du (cognate)

→ Pennsylvania German du (cognate)