Lexical Definition

‎ὁρμάω‎ hormáō (hor-mah'-o) to stampede ^G:V
from ‎ὁρμή‎

run (violently), rush.

• to start, spur or urge on, i.e. (reflexively) to dash or plunge

Abbott-Smith

ὁρμάω, -ῶ (< ὁρμή), [in LXX for שׁוּב, etc.;]
1. causal, to set in motion, urge on.
2. Intrans., to hasten on, rush: seq. εἰς, Mt 8:32, Mk 5:13, Lk 8:33, Ac 19:29; ἐπί, c. acc., Ac 7:57.†

Abbott-Smith References

Liddell-Scott-Jones

ὁρμάω,

future -ήσω[Refs 5th c.BC+]: aorist ὥρμησα [Refs 8th c.BC+]; Laconian dialect imperative ὅρμᾱον, i.e. ὅρμαὁν, ={ὅρμησον}, [Refs 5th c.BC+]: perfect ὥρμηκα [Refs 5th c.BC+]:—middle and passive, [Refs 5th c.BC+]: Epic dialect imperfect ὡρμᾶτο [Refs 8th c.BC+]: future ὁρμήσομαι [Refs 5th c.BC+]: aorist ὡρμησάμην [Refs 8th c.BC+] (ἐφ-), never in Prose, except ἐξ- [Refs 8th c.BC+]: perfect ὥρμημαι [Refs 5th c.BC+]perfect and pluperfect ὁρμέαται and -έατο (with variants ὡρμ-) [Refs 8th c.BC+] codices usually have the augment, but [Refs 8th c.BC+]: (ὁρμή):

__A active,
__I causal, set in motion, urge on, cheer on, τινὰ εἰς πόλεμον [Refs 8th c.BC+]; ὁ. τινὰ ἐκ χερός tear from one's arms, [Refs] —passive, ὁρμηθεὶς θεοῦ ἄρχετο inspired by the god he began, [Refs 8th c.BC+]; ἵπποι.. ὁρμηθέντες ὑπὸ πληγῇσιν ἱμάσθλης urged on by.., [Refs 8th c.BC+]
__I.2 with a thing as the object, stir up, πόλεμον [Refs]: with accusative et infinitive, τὰς διόδους τῶν πτερῶν.. ὥρμησε πτεροφυεῖν [Refs 5th c.BC+]:—passive, ὡρμάθη πλαγά was sped, [Refs 5th c.BC+]
__II more frequently intransitive, start,
__II.1 with infinitive, ἴρηξ ὃς ὁρμήσῃ διώκειν ὄρνεον ἄλλο starts in chase of.., [Refs 8th c.BC+]; ὁσσάκι δ᾽ ὁρμήσειε πυλάων.. ἀντίον ἀΐξασθαι whenever he started to rush for the gates,[Refs]; ἐξελαύνειν ὁρμῆσαι τὸν στρατόν began to lead out.., [Refs 5th c.BC+]eager to.., [Refs 5th c.BC+]
__II.2 with genitive, rush headlong at one, Τρώων [Refs 8th c.BC+]; also ὁ. ἐς μάχην hasten to battle, [Refs 5th c.BC+]; ὥρμασε (Doric dialect) ἐπὶ τὰ βασίλεια τῶν Σκυθᾶν [Refs 2nd c.BC+]: without any sense of hostility, rush, τᾶσδ᾽ ἀπὸ πέτρας πηδήσασα πυρὸς ἔσω [Refs 5th c.BC+]; set out, ἀπὸ [τῆς Οἰνόης] [Refs 5th c.BC+]; ἐπὶ τραγῳδίαν ὥρμηκε has turned to tragedy, [Refs 2nd c.AD+]; δηλώσεις.. τὴν φύσιν ἐπὶ τί μάλισθ᾽ ὥρμηκε, i. e. what your natural bent is,[Refs 5th c.BC+]
__II.3 absolutely, start, begin, ὥσπερ ὡρμήσαμεν, ἴωμεν [Refs 5th c.BC+]; αἱ μάλιστα ὁρμήσασαι [νῆες] the ships that were hottest in pursuit, [Refs 5th c.BC+]
__B middle and passive, like the intransitive active, [Refs 4th c.BC+]
__B.1 with infinitive, μὴ φεύγειν ὁρμήσωνται that they put not themselves in motion, set not themselves to flee, [Refs 8th c.BC+]; ὡρμήθη κόρυθα κρατὸς ἀφαρπάξαι he rushed to snatch.., [Refs 8th c.BC+]; ἦτορ ὡρμᾶτο πτολεμίζειν ἠδὲ μάχεσθαι was eager to.., [Refs]; μᾶλλον ὅρμητο στρατεύεσθαι was eager to march, [Refs 5th c.BC+]; ὅδε ὁ λόγος ὅρμηται λέγεσθαι this account has begun to be given, [Refs 5th c.BC+]; but λόγον, τὸν ὅρμητο λέγειν which he purposed to make, [Refs]
__B.2 the object for or after which one goes is sometimes in genitive, [Refs 8th c.BC+]: a case with a preposition, ὡρμήθησαν ἐπ᾽ ἀνδράσιν [Refs 8th c.BC+]; μετά τινα after one, [Refs 8th c.BC+]; οἱ περὶ λόγον ἢ παιδείαν ὁρμώμενοι persons keen about.., [Refs 5th c.BC+]
__B.2.b the starting-point is expressed by ἐκ, ὡρμᾶτ᾽ ἐκ θαλάμοιο [Refs 8th c.BC+], etc.; or ἀπό, [Refs 5th c.BC+]; or by a form in -θεν, σέθεν.. ὕμνος ὁρμᾶται θέμεν αἶνον [Refs 5th c.BC+] start from, begin from, especially of the place where one carries on any regular operations, ἐνθεῦτεν ὁρμώμενοι living there and going out from thence to do their daily work, [Refs 5th c.BC+]; of fishers, ἐκ πλοίων ὁρμώμενοι [Refs]; of a general, making that place his head-quarters or base of operations, [Refs 5th c.BC+]; ἀπ᾽ ἐλασσόνων ὁρμώμενος setting out, beginning with smaller means, [Refs]; of rivers, ἐκ τῆς Ἴδης ὁ. rising.., [Refs 5th c.BC+]
__B.3 absolutely, rush, dart, attack, [Refs 8th c.BC+]; also with ἔγχεϊ, ξιφέεσσι, etc., added, [Refs 8th c.BC+]
__B.3.b generally, hasten, be eager, ὁρμώμενον δὲ μηδαμῶς μ᾽ ἀντισπάσῃς [Refs 4th c.BC+]comes forth, [Refs]; ὕβρις ἀτάρβητα ὁρμᾶται insolence goes fearless forth, [Refs 5th c.BC+]