Dictionary entry

ἄλαλος

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

ἄ-λαλος, -ον

(< λάλος, talkative), [in LXX: Ps 31:18 (אָלַם ni.) Ps 38:13 (אִלֵּם)*;]

dumb, speechless: Mk 7:379:17, 25.†