ἀδελφοποίησις
From LSJ
Ἐς δὲ τὰ ἔσχατα νουσήματα αἱ ἔσχαται θεραπεῖαι ἐς ἀκριβείην, κράτισται → But for extreme illnesses, extreme remedies, applied with severe exactitude, are the best (Hippocrates, Aphorism 6)
Spanish (DGE)
-εως, ἡ
adopción como hermano fig. de hombres por Cristo, Ath.Al.M.26.280A.