Dictionary entry

θῆλυς

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

θῆλυς, -εια, -υ,

[in LXX chiefly for נְקֵבָה;]

female: as subst., ἡ θ., a female, a woman: Ro 1:26, 27; τὸ θ., Mt 19:4, Mk 10:6, Ga 3:28.†