Dictionary entry

δεσμοφύλαξ

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

*† δεσμο-φύλαξ, -κος, ὁ

(δεσμός, φύλαξ),

a prison-keeper, gaoler: Ac 16:23, 27, 36 (cf. ἀρχιδ-, Ge 39:21).†