A.drive against, ἐπέρεισε δὲ Παλλὰς Ἀθήνη [ἔγχος] νείατον ἐς κενεῶνα drove it home, Il.5.856, cf. 17.48; ἐπέρεισε δὲ ἶν᾽ ἀπέλεθρον put vast strength to it, 7.269, Od.9.538; thrust a door to, shut it close, Q.S.12.331; ἐ. γένειόν τινι lean it upon . ., Ael.NA5.56: metaph., ἐ. τὸν νοῦν attend to a thing, A.D.Synt.148.20; “τὴν διάνοιαν” Plu.2.392b; ἐ. τῷ φιλεῖν ἐμαυτόν give oneself up to, ib.463c; direct, πρὸς τὴν θεὸν τὸν λόγον Sch.Pi.N.7.1:—Med., rest in or upon, “βαυκάλη ἐπὶ διαγωνίων λίθων ἐπηρεισμένη” Sor.1.109: metaph., “ψυχαὶ -όμεναι πνεύματι” Porph.Abst.2.38; “οὐσίᾳ” Plot.6.1.3; “ἄλλῳ” Id.5.5.7; “ἐπ᾽ ἄλλου” Iamb.Comm.Math.8.
2. ἐ. τὴν φάλαγγά τινι bring the whole force of the phalanx against, Plu.Flam.8: abs., “ἐ. τοῖς ἀντιτεταγμένοις” Id.Pyrrh.21, cf. Arr.Tact.16.13:—Med., Ael. Tact.14.5.
3. Med., λαίφη προτόνοις ἐπερειδομένας staying their sails with ropes, E.Hec.112:—Pass., lean or bear upon, “βακτηρίαις” Ar.Ec.277, cf. Pl.Lg.789e: metaph., lean upon, “ἡμετέρῃ ἐ. Ἑλλὰς ἐφορμῇ” A.R.4.204: abs., resist with all one's force, Ar.Ra.1102.
4. Pass., to be leaned on, J.AJ9.4.4.
b. to be subject to pressure or impact, Chrysipp.Stoic.2.142.
II. intr. in Act., τῇ χειρὶ ἐπερείδειν press heavily with the hand, Hp.Art.11.
