Grandmother
From BiblePortal Wikipedia
Vine's Expository Dictionary of NT Words [1]
1: Μάμμη (Strong'S #3125 — Noun Feminine — mamme — mam'-may )
an onomatopoeic word, was primarily a child's name for its mother; later it denoted a "grandmother," 2—Timothy 1:5 .
King James Dictionary [2]
GRAND'MOTHER, n. The mother of one's father or mother.
