ἀληθουργής
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)
ές,
A acting truly, Heraclit.All. 67 (Comp.).
German (Pape)
[Seite 95] ές, wahrhaft handelnd, Heraclid. alleg. 67.