Spanish tú

← English thou (mention)

← Proto-Indo-European *túh₂ (inherited)

← Proto-Italic *tū (inherited)

← Latin tū (inherited)

→ Aragonese tú (cognate)

→ Spanish tuteo (mention)

→ Spanish voseo (mention)

→ Spanish tutear (suffix)

→ Spanish no manches (mention)

→ Ido tu (borrowed)

→ Ido -u (borrowed)

→ Sardinian tue (cognate)