ἀΐδιος
everduring (forward and backward, or forward only)
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everduring (forward and backward, or forward only)
ἀΐδιος(aḯdios)
Strong’s Definition
everduring (forward and backward, or forward only)
from G104 (ἀεί);
“For the invisible things of him from the creation of the world are clearly seen, being understood by the things that are made, even his eternal power and Godhead; so that they are without excuse:”
No verses found containing this word study ID.
Before the World Was Born
Two. Only twice does this word appear in the sacred writings—a word so weighty that it carries the breath of the uncreated One. The Greek aḯdios, pronounced ah-id'-ee-os, derives from aei, meaning "always" or "ever." It speaks of that which has no beginning and no end, or that which stretches forward without limit. The sages of old understood that the human mind cannot grasp the concept of true eternity, for we are creatures bound by time, born into moments that pass like morning mist. Yet this word reaches beyond our horizon, into the realm where time itself was created. The early church fathers used this term carefully, knowing they were touching the hem of the garment of the Almighty.
The Root That Runs Both Ways
In classical Greek philosophy, aḯdios described the eternal nature of the cosmos itself—the stars that never cease their turning, the gods who dwelt beyond mortal reach. But when the writers of the Septuagint chose this word to translate the Hebrew olam, something shifted. The Hebrew olam carries the sense of "that which is hidden" or "that which is beyond the horizon"—not merely endless duration, but a quality of being that belongs to God alone. Where the Greeks saw an endless cycle, the Scriptures revealed a Person whose existence is the ground of all existence. The rabbis of old taught that when Moses asked for God's name, the answer—Ehyeh Asher Ehyeh, "I AM THAT I AM"—pointed to a being so self-existent that time itself is merely His creature. This is the word that carries that same weight: aḯdios speaks not of time stretched thin, but of a reality that time cannot touch.
The Heavy Weight of Romans 1
The first occurrence of aḯdios in the New Testament appears in the letter to the Romans, where Sha'ul writes of "his eternal power and divine nature" having been clearly seen since the creation of the world (Romans 1:20). Here the apostle makes a stunning claim: that the invisible things of God—His very aḯdios power and Godhead—are visible in what He has made. The creation itself is a testimony to the Creator's everlasting nature. Jewish tradition holds that the heavens declare not merely that God exists, but that He is aḯdios—without origin, without end, without shadow of turning. The early church understood this passage as the foundation for natural revelation: no nation, no tribe, no human being stands without excuse, for the eternal has left His fingerprints on every atom. The word aḯdios here is not a cold philosophical abstraction; it is the warmth of a fire that has never been lit and can never be extinguished.
The Second Witness in Jude
The only other occurrence of aḯdios in the New Testament appears in the short letter of Jude, where it describes "eternal fire" reserved for judgment (Jude 1:6-7). This second usage deepens the word's meaning: the same eternity that belongs to God's power also belongs to His justice. The fire is aḯdios—not because it burns forever in the way a lamp burns, but because its source is the eternal One Himself. The Septuagint used this same word to translate the Hebrew olam in passages like Isaiah 33:14, where the prophet asks, "Who among us can dwell with everlasting burnings?" The apostolic tradition teaches that judgment is not a temporary correction but a fixed state, precisely because it flows from the unchangeable nature of the Holy One. The rabbis of old debated whether the fire of Gehinnom would eventually consume itself, but the New Testament speaks with a different voice: the fire is aḯdios because the One who kindles it is aḯdios.
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The Septuagint Bridge: From Olam to Aïdios
When the translators of the Septuagint encountered the Hebrew olam, they faced a profound challenge. Olam carries the sense of "hidden age" or "long duration," often referring to something that extends beyond normal human reckoning. In the Hebrew mind, olam described the covenant with Abraham (Genesis 17:7), the priesthood of Aaron (Exodus 40:15), and the throne of David (2 Samuel 7:16). But when they chose aḯdios to render olam, they were making a theological claim: the God of Israel is not merely long-lasting; He is the only being for whom the category of "time" does not apply. This bridge between Hebrew and Greek reveals something crucial: the New Testament writers, writing in Greek, were not adopting pagan concepts of eternity. They were pouring new wine into old wineskins, filling the Greek word aḯdios with the weight of Hebrew revelation. The God who is aḯdios is the God who appeared to Moses in the burning bush, who is not contained by heaven or earth, who is the same yesterday, today, and forever.
The Messiah Who Is the Eternal Now
Yeshua did not merely teach about the eternal; He embodied it. When He declared, "Before Abraham was, I AM" (John 8:58), He took the very name of the aḯdios God upon His lips. The early church understood that in Yeshua, the eternal had entered time—not as a visitor, but as the One who holds all time in His hands. The apostolic writings apply this word not directly to Messiah in the two occurrences we have, but the concept pervades every page. The letter to the Hebrews declares that Yeshua is "the same yesterday and today and forever" (Hebrews 13:8), and the apostle Peter writes of His "eternal glory" (1 Peter 5:10). In the vision of John on Patmos, Messiah appears with hair white like wool, eyes like a flame of fire—the Ancient of Days, the One who was and is and is to come. The rabbis of old had taught that the Messiah would be a man, yet the New Testament reveals that this man is the aḯdios Word made flesh. He is not a creature who became eternal; He is the Eternal who became a creature.
Walking in the Light of the Eternal
What does it mean for you to walk in the reality of the aḯdios? It means that every moment of your life is lived in the presence of the One who has no beginning and no end. The pressures of time—the rush of the morning, the anxiety about tomorrow, the regret over yesterday—all dissolve in the light of the Eternal. You are invited to live not as a slave to the clock, but as a child of the everlasting Father. The early church understood that to know the aḯdios God is to participate in His nature, to be drawn into a life that transcends the fleeting. When you pray, you speak to One whose ear has been attentive from before the foundation of the world. When you love, you touch the aḯdios love that will never fade. When you suffer, you are held by the aḯdios arms that cannot weaken. The sages of Israel taught that every human being carries within them a spark of the eternal, a longing that cannot be satisfied by anything less than the Infinite. You were made for the aḯdios. Do not settle for the temporal. Let the fire of the Eternal kindle your heart, and you will find that time itself becomes a doorway into the presence of the One who is, who was, and who is to come.