Liddell-Scott-Jones

ἐπερείδω (epereidō) to lean upon ^G:V

ἐπερείδω-είδω,

drive against, ἐπέρεισε δὲ Παλλὰς Ἀθήνη [ἔγχος] νείατον ἐς κενεῶνα drove it home, [Refs 8th c.BC+] put vast strength to it, [Refs 8th c.BC+]; thrust a door to, shut it close, [Refs 4th c.AD+] lean it upon.., [Refs 2nd c.AD+] attend to a thing, [Refs 1st c.AD+]; ἐ. τῷ φιλεῖν ἐμαυτόν give oneself up to, [Refs]; direct, πρὸς τὴν θεὸν τὸν λόγον [Refs 5th c.BC+] —middle, rest in or upon, [Refs 2nd c.AD+]: metaphorically, [Refs 3rd c.AD+].

__2 ἐ. τὴν φάλαγγά τινι bring the whole force of the phalanx against, [Refs 1st c.AD+] —middle, [Refs 2nd c.AD+]
__3 middle, λαίφη προτόνοις ἐπερείδωειδομένας staying their sails with ropes, [Refs 5th c.BC+] —passive, lean or bear upon, [Refs 6th c.BC+], lean upon, [Refs 3rd c.BC+]: absolutely, resist with all one's force, [Refs 5th c.BC+]
__4 passive, to be leaned on, [Refs 1st c.AD+]
__4.b to be subject to pressure or impact, [Refs 3rd c.BC+]
__II intransitive in active, τῇ χειρὶ ἐπερείδωείδειν press heavily with the hand, [Refs 5th c.BC+]