Latin sibi

← Proto-Indo-European *swé (derived)

← Latin se (mention)

→ Old English swæs (cognate)

→ Catalan si (inherited)

→ Spanish sí (inherited)

→ Latin sibimet (suffix)

→ Latin sibimet (mention)

→ Portuguese si (inherited)

→ Romanian sie (inherited)

→ Romanian sieși (derived)