Abbott-Smith Manual Greek Lexicon
ἄ-λαλος (G216)
3 ἄ-λαλος , -ον ( λάλος , talkative ), [in LXX: Ps 31:18 ( אָלַם ni.) Ps 38:13 ( אִלֵּם )*;] dumb , speechless : Mk 7:37 9:17 , 25 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain