Dictionary entry

δίδραχμος

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

δίδραχμος, -ον

(< δίς, δραχμή),

worth two drachmae; τὸ δ. (sc. νόμισμα, coin),

[in LXX chiefly for שֶׁקֶל (Ge 23:15, a1.), also for כֶּסֶף: Ge 20:16, De 22:29;]

a double drachma, nearly equal to the Jewish half-shekel, the amount of the Temple tax: Mt 17:24 (DB, iii, 428).†