δυσκωφέω
From LSJ
ἔνδον σκάπτε, ἔνδον ἡ πηγὴ τοῦ ἀγαθοῦ καὶ ἀεὶ ἀναβλύειν δυναμένη, ἐὰν ἀεὶ σκάπτῃς → Dig within. Within is the wellspring of Good; and it is always ready to bubble up, if you just dig | Look within. Within is the fountain of the good, and it will ever bubble up, if thou wilt ever dig.
English (LSJ)
A to be hard of hearing, Gal.12.653, AP7.731 (Leon.), Dsc.4.162.
German (Pape)
[Seite 683] sehr taub sein; Leon. Tar. 79 (VII, 731); B. A. 323.