ἀμφίδασυς
From LSJ
αὐτῇ καθ' αὑτὴν εἰλικρινεῖ τῇ διανοίᾳ χρώμενος → by using his mind alone by itself and uncorrupted
English (LSJ)
εια, υ,
A shaggy or fringed all round, epith. of the Aegis, which was hung with θύσανοι, Il.15.309; also of the head of Marsyas, Simon.177.
Greek (Liddell-Scott)
ἀμφίδασυς: εια, υ, ὁ λάσιος, ὁ ἀμφοτέρωθεν ἢ πανταχόθεν δασύς, ἐπίθ. τῆς αἰγίδος τοῦ Ἀπόλλωνος, ἔχε δ’ αἰγίδα… ἀμφιδάσειαν «κύκλῳ δασεῖαν διὰ τοὺς θυσάνους» (Σχόλ.), Ἰλ. Ο. 309· ὡσαύτως καὶ περὶ τῆς κεφαλῆς τοῦ Μαρσύου, Ποιητής παρὰ Πλουτάρχ. 2. 456Β.