βραχύστερνος

From LSJ

ἀλλ' ἦν ἅπαντα τεταγμένα νόμων ἐπιταγαῖς → but all their acts were regulated by prescriptions set forth in laws

Source

Spanish (DGE)

-ον
estrecho de pecho, Cat.Cod.Astr.11(2).190 (var.).