Etymology tree Esperanto vera Proto-Indo-European *deyḱ- Proto-Indo-European *déyḱeti Proto-Italic *deikō Latin dīcō Old French dire Middle French dire French direbor. ▲ Latin dīcō Italian direbor. ▲ Latin dīcō Old Occitan dire Occitan direbor. Esperanto diri Esperanto -e Esperanto verdire From vera + diri + -e.