σπουδῇ
From LSJ
Λιμὴν πέφυκε πᾶσι παιδεία βροτοῖς → Omnibus doctrina portus est mortalibus → Ein Hafen ist die Bildung allen Sterblichen
Dutch (Woordenboekgrieks.nl)
σπουδῇ adv. dat. sing. van σπουδή.
English (Woodhouse)
eagerly, energetically, enthusiastically, gladly, industriously, quickly, in hot haste, with zeal