ἐξημαρτημένως
From LSJ
ἔνδον σκάπτε, ἔνδον ἡ πηγή τοῦ ἀγαθοῦ καί ἀεί ἀναβλύειν δυναμένη, ἐάν ἀεί 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)
Adv., (ἐξαμαρτάνω)
A wrongly, to no purpose, Pl.Lg. 891d.
German (Pape)
[Seite 881] fehlerhaft, schlecht, Ggstz εὖ, Plat. Legg. X, 891 d.