Abbott-Smith Manual Greek Lexicon
κολυμβήθρα (G2861)
3 κολυμβήθρα , -ας, ἡ ( κολυμβάω ), [in LXX for בְּרֵכָה , IV Ki 18:27 , al.;] a swimming pool , pool : Jo 5:2 , [ 4 ], 7 9:7 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain