ἑνδεκαιδέκατος
From LSJ
ἀλλ᾽ ἀμφὶ τοῖς σφαλεῖσι μὴ 'ξ ἑκουσίας ὀργὴ πέπειρα → to those who err in judgment, not in will, anger is gentle | men's wrath is softened toward those who have erred unwittingly
Spanish (DGE)
-η, -ον
el undécimo día crítico en las enfermedades, Gal.15.822.