sphragis
From LSJ
Ὁ σοφὸς ἐν αὑτῷ περιφέρει τὴν οὐσίαν → Qui sapit, is in se cuncta circumfert sua → Der Weise trägt, was er besitzt, in sich herum
Latin > English (Lewis & Short)
sphrāgis: īdis, f., = σφραγίς (a seal).
I A kind of stone used for seals, Plin. 37, 8, 37, § 117.—
II Another name for Lemnian earth, so called because sold in sealed packets, Plin. 35, 6, 14, § 33.—
III A little ball of plaster in medicine, Cels. 5, 26, 23 (5, 20, 2, written as Greek).