Portuguese tu

← Proto-Indo-European *túh₂ (inherited)

← Proto-Italic *tū (inherited)

← Latin tū (inherited)

← Old Portuguese tu (inherited)

→ Aragonese tú (cognate)

→ Guinea-Bissau Creole u (derived)

→ Portuguese ti (mention)

→ Portuguese se (mention)

→ Sardinian tue (cognate)