μογιλάλος
From LSJ
εἰ μὴ προσέθηκα καὶ κατεσιώπησα ψυχήν μου, ὡς τὸ ἀπογεγαλακτισμένος ἐπὶ μητέρα αὐτοῦ → surely I have calmed and quieted my soul like a weaned child on its mother's shoulder
English (LSJ)
[ᾰ], ον, (μόγις, λαλέω)
A having an impediment in one's speech, LXXIs.35.6, Ev.Marc.7.32, Ptol.Tetr.150, Vett.Val.73.12, Aët. 8.38.
German (Pape)
[Seite 196] schwer redend, sprechend, mit schwerer Zunge, N. T. Bei den LXX, auch = stumm.