ἐνρήγνυμι
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)
A break into:—Pass., discharge itself into, ἐς ἔντερον Aret. SA1.10. II intr. in pf. part. Act. ἐνερρωγώς, υῖα, ός, broken, κλῖναι IG11(2).199B90 (iii B. C.).