Save Gender Feminine Usage Greek Mythology Scripts Ἰάνασσα(Ancient Greek) Other Forms FormsJanassa Meaning & History Possibly derived from Greek ἰά (ia) meaning "shout, clamour; sound, roar" and νάσσα (nassa), the aorist form of ναίω (naio) meaning "to dwell in" or "to make habitable". This was the name of one of the Nereids in Greek mythology.