numquis
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.
num-quis: (nunqu-), qui, quae (qua), quod,
I pron. interrog. adj., usually written separate, num quis; v. num.
numquis,⁹ etc., v. num.