Aban (Ābān, var: Āvān) is the middle Persian name for the Zoroastrian concept of the waters, Avestan āpō. Quoted from:Wikipedia; Aban Linked with the month of October. in modern Persian. Aban, is Avestan ‘Apas’, ‘Api’ in middle Persian and ‘Ap’ in Phalavi. It means water (Aub, in modern Persian). It is the protector Eyzad of the ‘waters’ and an assistant to Spenta Armaiti.