αἰών properly, an age; by extension, perpetuity (also past); by implication, the world; specially (Jewish) a Messianic period (present or future)Derivation: from the same as G104;KJV Usage: age, course, eternal, (for) ever(-more), (n-)ever, (beginning of the , while the) world (began, without end). Compare G5550. G104 G5550
Thayer:1) for ever, an unbroken age, perpetuity of time, eternity 2) the worlds, universe 3) period of time, age
αἰών aiōn ahee-ohn' From the same as G104; properly an age; by extension perpetuity (also past); by implication the world; specifically (Jewish) a Messianic period (present or future)KJV Usage: age, course, eternal, (for) ever (-more), [n-]ever, (beginning of the, while the) world (began, without end). Compare G5550.