Dictionary entry

ἄτεκνος

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

ἄτεκνος, -ον

(< τέκνον), [in LXX: Ge 15:2, Le 20:20, 21 (עֲרִירִי), Is 49:21, Je 18:21 (שׁכל), Si 16:3*;]

childless: Lk 20:28, 29.†