ἐξυπτιάζω
From LSJ
Ῥῦσέ με δεινῶν νοσημάτων, ἱερώτατε, ἱερωσύνην συναρμόσας ἐν χαρᾷ και ἐπιστήμης τὸ πολύτιμον κεφάλαιον → Deliver me from grievous afflictions, most holy one, joining sanctity together in joy with the precious fountainhead of knowledge
English (LSJ)
A turn a person quite on the back, ὄμμα (ὄνομα codd.) throw his eyes upwards or backwards, A.Th.577; ἐ. ἑαυτόν throwing back his head haughtily, Luc.Cat.16: abs., Id.Gall.12, Herc.3, Ind.21:— Med., ἐξυπτιάζεσθαι τὴν κεφαλήν throw it back, Arist.Fr.106. II intr., lie back, of the horns of wild cattle, Id.HA499a7.