σύντασις
From LSJ
πάντα πόνος τεύχει θνητοῖς μελέτη τε βροτείη → all things are made for mortals by human toil and care
English (LSJ)
εως, ἡ,
A tension, rigidity, ὑποχονδρίου Hp.Epid.1.12, cf. 1.26.β, 2.3.6, Arist.Pr.879b17, Sor.2.17, Gal.6.198, 15.609. 2 vehement effort, exertion, Pl.Smp.206b, Phlb.46d.
German (Pape)
[Seite 1033] ἡ, Spannung, Anstrengung, καὶ ἡ σπουδή Plat. Conv. 206 b.