Abbott-Smith Manual Greek Lexicon
μάμμη (G3125)
1 ** μάμμη , -ης, ἡ (onomatop.), [in LXX: IV Mac 16:9 *;] in cl., a child's name for mother . In late Gk. (= cl., τήθη ), a grandmother : (LXX, IV Mac 16:9 ), II Ti 1:5 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain