Dictionary entry

πηγή

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

πηγή, -ῆς, ἡ,

[in LXX chiefly for עַיִן, also for מָקוֹר, etc.;]

a spring, fountain: Ja 3:11, II Pe 2:17; τ. ὑδάτων, Re 8:10 14:7 16:4; of a well fed by a spring, Jo 4:6; π. τοῦ αἵματος, of a flow of blood, Mk 5:29; metaph., Jo 4:14, Re 7:17 21:6.†