Aion does not occur as a divine name or concept in the Bible, although Reitzenstein (1921) followed by others (BAGD, s.v.) considered Aion in Eph. 2.2, Eph. 7; Eph. 3.9 and Col. 1.26 a deity, the evil ruler of the cosmos. Aion in Greek has a wide range of meanings, ‘lifetime, life, age, generation, period, eternity’ (LSJ, s.v.; TWNT I, 197–204), and can even be identical with cosmos.
Reitzenstein (1921) identified Aion with Persian zervan akarana, ‘the endless time’, and believed it a de…