ὁρμή

ὁρμ-ή, ἡ,

A rapid motion forwards, onrush, onset, assault,

μόγις δέ μευ ἔκφυγεν ὁρμήν Il.9.355

; ἐκ τοῦ αὐτοῦ χωρίου ἡ ὁ. ἔσται the attack, invasion, Hdt.1.11 ;

ἡ ἐπὶ βασιλέα ὁ. X.An.3.1.10

; also of an impulse received from another,

ἐμέ τ' εἰσορόων καὶ ἐμὴν ποτιδέγμενος ὁ. Il.10.123

, cf. Od.2.403.

2 more freq. of things, πυρὸς ὁ. the rage of fire, Il.11.157 ; ὑπὸ κύματος ὁρμῆς by the shock of a wave, Od.5.320 ;

ἔγχεος ὁ. Hes.Sc.365

; but ἐς ὁρμὴν ἔγχεος ἐλθεῖν within my spear's cast, within reach of my spear, Il.5.118 ; ὁ. γονάτων spring of knee, i.e. power to spring or leap, Pi.N.5.20 ; ποδὸς ὁ. speed of foot, E.El.112 (lyr.) : pl., of the tides, Ptol.Tetr.3.

II impulse to do a thing, effort,

μίνυνθα δέ οἱ γένεθ' ὁρμή Il.4.466

;

μελέη δέ μοι ἔσσεται ὁ. Od.5.416

;

φιλότητος . . ἄμβροτος ὁ. Emp.35.13

;

πίστιος ὁ. Id.114.3

;

ἐπεὶ δὲ δαιμονίη τις γίνεται ὁ. Hdt.7.18

;

μαινομένᾳ σὺν ὁρμᾷ S.Ant.135

(lyr.), cf. Tr.720 ; τίς προσήγαγε χρεία; τίς ὁ.; Id.Ph.237; οὕτω καθ' ὁρμὴν δρῶσιν, i. e. with so much zeal, ib.566 ;

εἰ . . ἄγοι αὐτὸν ὁ. θειοτέρα Pl.Phdr.279a

: joined with ἐπιθυμία, Id.Phlb.35d, Th.3.36 ; μιᾷ ὁ. with one impulse, X.An.3.2.9 ;

ἀπὸ μιᾶς ὁ. Th.7.71

;

ὑπὸ μιᾷ τῇ ὁ. Luc.Hist.Conscr. 2

: c. gen. objecti, eager desire of or for a thing, Th.7.43, etc.: so with a Prep.,

ἡ ὁρμή, ἣν ὁρμᾷς ἐπὶ τοὺς λόγους Pl.Prm.135d

, cf. 130b ;

ἔχειν ὁρμὴν πρός τι Arist.MM1185a31

, al. ; ὁ. ἐπέπεσέ τισι, c. inf., Th.4.4 ; ὁ. παραστῆσαί τισι εἴς τι or c. inf., Plb.2.48.5, Plu.Cor.33 ; ὁ. σχεῖν, c. inf., Id.Publ.19.

2 in Stoic philosophy, appetition, including reasoned choice and irrational impulse, Stoic.3.40, al.

3 Pythag. name for 2, Anatolius ap. Theol.Ar. 8.

III setting oneself in motion, start on a march, etc., ἐν ὁρμῇ εἶναι to be on the point of starting, X.An. 2.1.3, cf. Arist.Rh. 1393a3 ; ἐπὶ παντὸς ὁρμῇ . . πράγματος at the start of every undertaking, Pl.Ti.27c ; ἡ ὁ. [τούτων τῶν ἀνέμων] the point at which these winds start, Arist.Mete.364b5, cf. Pl.R.511b (pl.). (Cf. Skt. s´rati 'flow'.)