miembro de la misma asociación o colegio

From LSJ

ἀλεξίκακε τρισέληνε, μηδέποθ' ἡττηθείς, σήμερον ἐξετάθης → averter of woes, offspring of three nights, thou, who never didst suffer defeat, art to-day laid low

Source

Spanish > Greek

ἀδελφός