προσκέφαλον
From LSJ
Χρὴ τῶν ἀγαθῶν διακναιομένων πενθεῖν ὅστις χρηστὸς ἀπ' ἀρχῆς νενόμισται → When a good man is hurt, all who would be called good must suffer with him
English (LSJ)
τό, = προσκεφαλίς (cushion for the head, pillow, treasure-chamber), Cyran. 25.