Caí

Uncertain. Different origins are proposed, including:

• From Old Tupi ka'a (“woods”) + y (“river”); and
• From Old Tupi ka'i (“monkey”), perhaps with the contraction of y (“river”). Compare Guaraní ka'i.

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

• Rhymes: -i
• Homophone: caí
• Hyphenation: Ca‧í

Caí m

1. a river in Rio Grande do Sul, Brazil