ψυχῶν σοφῶν φροντιστήριον → thought-shop of wise souls
ĕpĭmĕlās: antis, m., = ἐπιμέλας,
I a gem superficially black, otherwise unknown, Plin. 37, 10, 58, § 161.
ĕpĭmĕlās, antis, m. (ἐπιμέλας), perle dont la partie supérieure est noire : Plin. 37, 161.