σπουδαστέον
From LSJ
Τραφὲν ὄρεσι καὶ φάραγξιν ἀγρίαις, κήρυξ πέφυκα τῆς λόγου ὑμνῳδίας. Φωνήν μὲν οὐκ ἔναρθρον, εὔηχον δ' ἔχω (Byzantine riddle) → Raised in the mountains and wild ravines, I have become the herald of hymns that are sung. I have no articulate voice...
Dutch (Woordenboekgrieks.nl)
σπουδαστέον adj. verb. van σπουδάζω, men moet zijn best doen, men moet zich druk maken: met gen. om iem.; met ἐπί + dat.: om iets; met ὅπως: om iets te doen.
