Exploring the Meaning of Kolumbethra in Greek

κολυμβήθρα refers to a “pool,” appearing in John’s Gospel in two healing settings: the pool called Bethesda in Jerusalem and the pool of Siloam. In these scenes the pool is not background decoration but the concrete place where sickness, hope, command, and restoration come into focus.

Root and Related Words

κολυμβήθρα is related to kolymbao (κολυμβάω), “to swim” (Strong’s G2860).

Occurrences

John 5:2 — “Now in Jerusalem by the sheep gate, there is a pool, which is called in Hebrew, “Bethesda”, having five porches.”

Here the pool is introduced with location and identifying detail. It is “in Jerusalem by the sheep gate,” anchored to a particular part of the city rather than described as a generic body of water. The pool’s name is given—“called in Hebrew, ‘Bethesda’”—and its structure is sketched as “having five porches.” In this first appearance, the word points to a defined site with built features, a place large enough and arranged in such a way that porches can border it. The pool functions as a recognizable landmark, the setting in which the coming action will make sense.

John 5:4 — “for an angel went down at certain times into the pool and stirred up the water. Whoever stepped in first after the stirring of the water was healed of whatever disease he had.”

In this description the pool is not merely a reservoir; it is the sphere where movement and timing matter. The water is “stirred up,” portraying the pool as a body of water that can be disturbed and observed for change. The pool is also the boundary that defines who is “in” and who remains outside: healing is tied to stepping “into the pool,” and even the order of entry—“first after the stirring”—is portrayed as decisive. The word thus carries the idea of a specific, entering-into place: the pool is the targeted location where the hoped-for change is sought and where a person’s physical movement (stepping in) is central to the scene.

John 5:7 — “The sick man answered him, “Sir, I have no one to put me into the pool when the water is stirred up, but while I’m coming, another steps down before me.””

The pool here becomes the focus of the man’s inability, framed in practical terms. He does not speak about the pool’s name or structure; he speaks about access. His problem is relational and physical: “I have no one to put me into the pool.” The pool is the destination, but he cannot reach it at the needed moment, “when the water is stirred up.” The wording also implies a descent—“another steps down before me”—so the pool is approached by stepping down, reinforcing that it is a defined place one enters. In this utterance the pool represents a hoped-for threshold he consistently fails to cross, and the word captures that concrete obstacle: not a vague desire for healing, but the inability to be placed into that particular water at that particular time.

John 9:7 — “and said to him, “Go, wash in the pool of Siloam” (which means “Sent”). So he went away, washed, and came back seeing.”

Here the pool is specified by association—“the pool of Siloam”—and is directly connected to an instruction: “Go, wash.” The pool is presented as the place where washing is to occur, and the narrative follows the command with brisk sequence: “So he went away, washed, and came back seeing.” The pool is therefore the concrete location that anchors the commanded act of washing. It is not the mud, not the journey, but the washing “in the pool” that is singled out in the wording, and the result (“came back seeing”) is narrated immediately after the washing, tying the pool to the turning point of the story.

John 9:11 — “He answered, “A man called Jesus made mud, anointed my eyes, and said to me, ‘Go to the pool of Siloam and wash.’ So I went away and washed, and I received sight.””

This occurrence repeats the pool’s role, now as part of the healed man’s report of what happened. In his recounting, the pool is not an incidental detail but a quoted instruction: “Go to the pool of Siloam and wash.” The pool is the stated destination of obedience (“Go to the pool”) and the setting of the cleansing action (“and wash”). The follow-up—“So I went away and washed, and I received sight”—again places the washing as the hinge between command and result. In this retelling, the pool functions as a verifiable public place embedded in a chain of actions: mud, anointing, directive, washing, restored sight.

Sense and Usage

Across these passages, “pool” is consistently a defined body of water connected with human approach and physical action. The word is used for named, identifiable pools—“Bethesda” and “Siloam”—and the narratives treat these pools as established places within Jerusalem’s life and geography (“in Jerusalem by the sheep gate”). The pool is also portrayed as an environment with boundaries: people are “put…into the pool,” they “step in,” or they “step down,” language that emphasizes entry rather than mere proximity. Even when water is in view, the pool is more than water; it is a location that must be reached, entered, or used for washing.

In John 5, the pool is the center of a competitive and time-sensitive expectation. The descriptions portray it as a place where the water’s condition (“stirred up”) is watched and where the decisive difference is being first to enter. The pool becomes the focal point of helplessness as well, since the sick man’s lament is not that healing is impossible, but that he lacks the means to get into the pool at the crucial moment. The word therefore carries the sense of a place that concentrates both hope and frustration: a specific location whose promised benefit is linked to physical access.

In John 9, the pool functions differently: it is the setting for washing that follows a direct spoken command. Rather than waiting for stirred water or racing others, the man is told to go and wash, and the narrative emphasizes his compliance and the subsequent change. The pool is thus the objective destination where the commanded action is performed. In these uses, the pool is a public, nameable place that can be referenced in instruction and recalled in testimony, a fixed point that connects a command with a tangible act carried out in water.

Imagery

Within these scenes, the pool carries a vivid physical imagery: a place of water approached by steps, bordered by porches, and associated with washing. It is the kind of location where people gather, wait, and move, and where a person’s ability to enter or to wash becomes narratively decisive. In John 5 the pool’s waters are described as stirred, drawing attention to motion on the surface; in John 9 the pool is the destination of a simple act of washing that is followed by sight. In both, the pool stands as a concrete setting where human need meets a specific action centered on water.

Sources: Lexical data from Strong’s Exhaustive Concordance and the Translators Brief Lexicon of Extended Strongs for Greek (STEPBible, CC BY). Occurrence data from the Translators Amalgamated Greek New Testament (STEPBible, CC BY). Scripture quotations from the World English Bible (public domain).