κῦμα
a billow (as bursting or toppling)
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a billow (as bursting or toppling)
κῦμα(kŷma)
Strong’s Definition
a billow (as bursting or toppling)
from (to swell (with young), i.e. bend, curve);
“And, behold, there arose a great tempest in the sea, insomuch that the ship was covered with the waves: but he was asleep.”
No verses found containing this word study ID.
The Swelling Deep That Speaks of Him
Beloved, have you ever stood at the shore and watched the waves roll in — each one a living thing, rising, curling, and then crashing upon the sand? The Greek tongue names this kŷma, a word born from the image of something swelling with young, bending under the weight of life within. Five times this word appears in the Apostolic Writings, and each occurrence carries the echo of the deep. The ancient Greeks spoke of kŷma as a billow that bursts or topples, and the sages of old understood that the sea, in its restless motion, speaks of forces both within and beyond this world. What does it mean, then, that the Holy Spirit chose this word to carry divine truth? Let us descend into the waters and see.
The Root That Swells and Bends
The derivation of kŷma reaches back to a root that means to swell with young, to bend, to curve. You can almost see it — the wave gathering itself, pregnant with power, bowing its back before it breaks. In classical Greek poetry, kŷma described the rolling sea in its majesty, but the biblical writers took this image and pressed deeper meaning into it. The Septuagint, that ancient Greek translation of the Hebrew Scriptures, uses kŷma to render the Hebrew gal or mishbar — words for wave and breaker. When the Psalmist cries out, "All your waves and your billows have gone over me" (Psalm 42:7), the translators chose kŷma to capture that overwhelming flood. The word carries not just the shape of the wave, but the weight of it — the crash, the toppling, the moment when the deep seems to swallow you whole. Yet even in that swallowing, the Hebrew poets knew that the waves were the Lord's, that He alone stills the roaring of the seas.
The First Wave That Broke Upon the Shore
The first occurrence of kŷma in the New Testament appears in the Gospel of Matthew, where Yeshua rebukes the wind and the sea, and a great calm follows (Matthew 8:24-26). The disciples cry out in terror as the kŷma covers the boat, but the Master speaks, and the waves obey. Jewish tradition holds that the sea is a place of chaos — the ancient deep, the tehom, over which the Spirit of God hovered at creation. Here, in the boat, Yeshua demonstrates that He is the same God who set boundaries for the waters. The kŷma that threatened to swallow the disciples becomes the stage for His authority. The early church understood this: the wave that rises and falls is not random. It is under the feet of the One who walked upon the water. When you see a wave, you see a servant of the Creator.
The Restless Sea of the Ungodly
The Apostle Jude, in his brief and burning letter, uses kŷma in a startling image. He speaks of certain men who are "wild waves of the sea, foaming up their own shame" (Jude 1:13). Here the word takes on a moral weight. The wave that swells and crashes without rest becomes a picture of the soul that knows no peace. The rabbis of old observed that the wicked are like the troubled sea, which cannot rest, whose waters cast up mire and dirt (Isaiah 57:20). The kŷma in this passage is not merely a physical phenomenon — it is a revelation of the inner life. To be like a wave is to be driven, unstable, tossed by every wind. The early church read this and saw a warning: do not let your faith be like the wave that rises only to fall, that appears for a moment and then is gone. The life that is not anchored in the Rock will be carried away by the tide.
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The Septuagint Bridge: From Hebrew Depths to Greek Shores
When the translators of the Septuagint encountered the Hebrew Scriptures, they faced a sacred task: to carry the weight of one language into another. The Hebrew word mishbar — breaker, wave, billow — they rendered as kŷma in passages like Jonah 2:3, where the prophet cries from the belly of the fish, "All your waves and your billows passed over me." This is the same word the Psalmist uses in Psalm 42:7, the same word that Yeshua stills. The bridge between the Testaments is built on such words. The Hebrew gal also appears, meaning a heap or a wave, and the Septuagint again reaches for kŷma. What this reveals is that the Greek word did not lose the Hebrew sense of divine sovereignty over the deep. The wave is never merely water; it is the hand of God in motion. When you read kŷma in the New Testament, you are meant to hear the echo of Jonah's prayer and the Psalmist's lament. The same God who delivered the prophet from the fish delivers the disciples from the storm.
The Wave That Carries the Ship to Its Destination
The Apostle James uses kŷma in a different yet related way. He writes that the doubting man is "like a wave of the sea, driven and tossed by the wind" (James 1:6). Here the word becomes a mirror for the divided heart. The wave is not evil in itself — it is the motion of the sea, the swelling of life. But the man who is like a wave has no stability, no center. He is at the mercy of every breeze. The apostolic tradition teaches that faith must be rooted, grounded, anchored within the veil. The early church fathers saw in this image a call to single-minded devotion. Do not be like the kŷma that bends before every wind, they urged. Be like the rock that stands against the surge. Yet even in this warning, there is grace. The wave that carries the ship is not the same as the wave that topples it. The same motion that brings destruction to the unstable can bring the faithful to their destination, if the hand of the Master is upon the helm.
The Messiah Who Walks Upon the Waves
Now, beloved, we come to the heart of the matter. The kŷma is not merely a natural force or a moral metaphor — it is a stage for the revelation of the Son of God. In the Gospel of Mark, after feeding the five thousand, Yeshua sends His disciples ahead by boat while He goes to pray. A storm rises, and the kŷma beats against the vessel. Then, in the fourth watch of the night, He comes to them walking upon the sea (Mark 6:48-50). The waves that terrified the disciples become the pavement for His feet. The early church saw in this a profound truth: the Messiah has dominion over the chaos. He does not merely calm the storm; He walks upon it. The same waters that swallowed Pharaoh's army become the path of His glory. When Peter steps out of the boat and walks on the kŷma toward Yeshua, he participates in that dominion — until he looks at the wind and begins to sink. The wave that lifts him also reminds him of his need. The Messiah does not remove the waves; He meets you in them.
A Charge for the Storm-Tossed Soul
So here you are, standing at the edge of the sea of your own life. The waves rise and fall. Some days they lift you high, and you see the horizon. Other days they crash over you, and you taste the salt of tears. But hear this, my friend: the kŷma is not your enemy. It is the motion of a world that groans for redemption. The same wave that threatens to overwhelm you is the wave that carries the ship of your soul toward the harbor of His presence. Do not be like the doubter, driven and tossed. Be like the disciple who keeps his eyes on the One who walks upon the waters. When the swell rises, do not curse the deep. Call upon the name that stills the storm. And when you feel yourself sinking, reach out your hand. He is already there, walking toward you upon the very waves that seek to swallow you. Let the kŷma remind you: the One who bends the curve of the sea also bends His ear to your cry. Peace, be still.