πάντες ἄνθρωποι τοῦ εἰδέναι ὀρέγονται φύσει → all men naturally desire knowledge
YAv. airišta, unimpaired, Skt. ariṣṭa + APers. zana (comp.), race, fr. *zan, to give birth, YAv. zan, Skt. jan; of unimpaired race.