requirement
From LSJ
Θεοὶ μὲν γὰρ μελλόντων, ἄνθρωποι δὲ γιγνομένων, σοφοὶ δὲ προσιόντων αἰσθάνονται → Because gods perceive future things, men what is happening now, but wise men perceive approaching things
Θεοὶ μὲν γὰρ μελλόντων, ἄνθρωποι δὲ γιγνομένων, σοφοὶ δὲ προσιόντων αἰσθάνονται → Because gods perceive future things, men what is happening now, but wise men perceive approaching things
demand: P. and V. ἀξίωσις, P. δικαίωμα, τό, δικαίωσις, ἡ.
lack: P. and V. σπάνις, ἡ, ἀπορία, ἡ, P. ἔνδεια, ἡ.
command: P. πρόσταγμα, τό, ἐπίταγμα, τό; see command.
what is required: P. and V. τὰ δέοντα, τό δέον.