Thayer-166

(G5801) Synonyms: Eternal: aidios (ἀΐδιος G126), aionios (αἰώνιος G166).

G126- covers the complete philosophical idea- - without beginning and without end. Also either without beginning or without end. As respects to the past it is applied to what has existed time out of mind G166- gives prominence to the immeasurableness of eternity.