ἐμ-πρίω · em-priō — LSJ
saw into, ὀστέον, vulg. for ἐκ-, Hp. VC 21; τὸ οὖς ἐνέπρῑσε τοῖς ὀδοῦσι bit deep into it, D.S. 10.17.
gnash together, ὀδόντας ἐμπεπρικώς having the teeth fixed in a bite, Id. 17.92, v.l. in Luc. Somn. 14; ἐ. γένυν χαλινοῖς Opp. H. 5.186, cf. C. 2.261.
intr., bite, be pungent, σίνηπυν, ὀνόγυρον, etc., Nic. Al. 533 (dub. l.), Th. 71, al.
ἐμπρίων σφυγμός saw-like, hard pulse, Gal. 8.474, Alex.Trall. 6.1.