σπουδῇ
From LSJ
τῇ γαστρὶ μετροῦντες καὶ τοῖς αἰσχίστοις τὴν εὐδαιμονίαν → measuring happiness by appetite and base desires
Dutch (Woordenboekgrieks.nl)
σπουδῇ adv. dat. sing. van σπουδή.
English (Woodhouse)
eagerly, energetically, enthusiastically, gladly, industriously, quickly, in hot haste, with zeal