μύρσινος
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)
Att. μύρρῐνος, η, ον,
A = μύρτινος, of myrtle, [μύρον] Thphr.Od.27; ὄζος Call.Dian.202; ἔλαιον Androm. ap. Gal.13.687, al., cf. PPetr.2p.114 (iii B. C.). II Subst. μύρρινος, ὁ, = μυρσίνη 1.1, Thphr.HP1.3.3, al. 2 μυρσίνη (with or without σμίλη), ἡ, convex scalpel, Gal.2.477, al. 3 μύρρινον, τό, upper part of membrum virile, Ar.Eq.964.