Liddell-Scott-Jones

ἐπικρατέω (epikrateō) to prevail ^G:V

ἐπικρατέω-έω

(Aeolic dialect ἐπι-κρετέω probably in [Refs], rule over, with dative, νήεσσιν ἐπικρατέουσιν ἄριστοι 8th c.BC: Ilias Homerus Epicus “Illiad” 10.214; νήσοισιν 8th c.BC: Odyssea Homerus Epicus “Odyssey” 1.245: absolutely, have or hold power, εὖτ᾽ ἂν μηκέτ᾽ ἐπικρατέωσιν ἄνακτες 17.320 [Refs]

__II. prevail in battle, be victorious, ἐπικρατέουσί περ ἔμπης [to them] though they are victorious as it is, [Refs]; ἐ. ἢ ἀπόλλυσθαι conquer or die, [Refs 5th c.BC+]; ἐ. τῇ στάσι [Refs]; ἐ. τὰ πλείω τοῦ πολέμου gain the advantage in most points in the war, [Refs]
__II.2. frequently c.genitive, prevail over, get the mastery of an enemy, ἐ. μάχῃ τῶν Γελῴων [Refs 5th c.BC+]; ἐ. αὐτῶν (-οῦ codices) παρὰ τῷ βασιλέϊ, in a suit at law, [Refs 5th c.BC+]; ὑμῶν -ήσω τῷ κοάξ 5th-6th c.BC: Aristophanes Comicus “Ranae” 267.
__II.3. rarely with accusative, master, conquer, τὰς τῆς φύσεως ἁμαρτίας 5th-6th c.BC: Isocrates Orator 1.52; δύο βασιλέας 2nd-3rd c.AD: Dio Cassius Historicus 36.16:—passive, -ηθεῖσα (i.e. ἡ δεξιά), in left-handed persons, [Refs]
__II.4. with genitive, become master of, τῶν πραγμάτων [Refs 5th c.BC+]; τῶν πολίων, τῶν νεῶν, [Refs]; τῆς ἀναγκαίου τροφῆς, τῆς ἀναβάσεως, [Refs 5th c.BC+]
__II.4.b. to be in possession of, [οἰκίας][Refs 1st c.AD+]
__II.5. generally, prevail, be superior, πλήθεϊ [Refs 5th c.BC+]: with infinitive, they carried the point that.. , [Refs]
__II.5.b. metaphorically, prevail, τὸ ἀνθρώπινον ἦθος ἐπεκράτει [Refs]; τὸ ὄνομα 2nd c.BC: Polybius Historicus 2.38.1; ὁ λόγος 1st c.BC: Diodorus Siculus Historicus 5.62; ὁ τραχὺς ἦχος 1st c.BC: Philodemus Philosophus “περὶ ποιημάτων” 994.33.
__II.6. with participle, ἐ. διαιροῦντες succeed in keeping it open, [Refs]