1: κολυμβήθρα
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(Strong's #2861 — Noun Feminine — kolumbethra — kol-oom-bay'-thrah )

denotes "a swimming pool" (akin to kolumbao, "to swim," Acts 27:43 ), John 5:2 (ver. 4 in some mss.),7; 9:7 (ver. 11 in some mss.).