Abbott-Smith Manual Greek Lexicon
μογι-λάλος (G3424)
1 † μογι-λάλος , -ον ( μόγις , λάλος ), [in LXX: Is 35:6 ( אִלֵּם )*;] speaking with difficulty : Mk 7:32 (Tr., txt., μογγιλάλος , thick-voiced , v. Swete, in l.).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain