ἐνστηματικός
From LSJ
πρέπει γὰρ τοὺς παῖδας ὥσπερ τῆς οὐσίας οὕτω καὶ τῆς φιλίας τῆς πατρικῆς κληρονομεῖν → it is right that children inherit their fathers' friendships just as they would their possessions
Spanish (DGE)
-ή, -όν
empecinado, testarudo subst. οἱ περὶ τὸ εὐσεβὲς στερροὶ καὶ ἐνστηματικοί CEph.(431) Ep. en ACO 1.1.7.160.1.