ἐντενής
From LSJ
Ὁ δὲ μὴ δυνάμενος κοινωνεῖν ἢ μηδὲν δεόμενος δι' αὐτάρκειαν οὐθὲν μέρος πόλεως, ὥστε ἢ θηρίον ἢ θεός → Whoever is incapable of associating, or has no need to because of self-sufficiency, is no part of a state; so he is either a beast or a god
English (LSJ)
ές,
A on the stretch, intent: only neut. ἐντενές as Adv., A.R. 2.933.
German (Pape)
[Seite 855] ές, angespannt, πεφόρητο ἐντενές Ap. Rh. 2, 933, Schol. συντόνως.