LSJ
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Hom. freq. of the shafts of Apollo and Artemis, as bringing an easy death, ἀλλʼ ὅτε γηράσκωσι . . , Ἀπόλλων Ἀρτέμιδι ξὺν οἷς ἀγανοῖς βελέεσσιν ἐποιχόμενος κατέπεφνεν Od. 15.411, cf. 3.280, Il. 24.759, etc.: Sup. ἀγανώτατος Hes. Th. 408, Pi. Fr. 149, Them. Or. 20.234a. Adv. -νῶς Anacr. 51.1, E. IA 601: Comp. ἀγανώτερον, βλέπειν Ar. Lys. 886.—Poet. and late Prose, Them. l.c.
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ἀγανὰ βέλεα of Apollo, Il. 24.759, Od. 3.280, and of Artemis, ib. 5.124, denote sudden, easy death of men and women respectively; βέλος ὀξύ, of Ilithyia, pangs of childbirth, Il. 11.269, cf. Theoc. 27.29.
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visiting persons with death, τὰ δʼ ἐπῴχετο κῆλα θεοῖο πάντῃ ἀνὰ στρατόν 1.383, cf. 50 ; οἷς ἀγανοῖσι βέλεσσιν ἐποιχόμενος (or -νη) κατέπεφνεν, 24.759, Od. 3.280, 5.124, etc.
kill, slay, καταπέφνῃ Il. 3.281; κατέπεφνε 6.183, 24.759, Od. 3.252, 4.534, S. El. 486; κατέπεφνες Id. Aj. 901, Pi. Fr. 171 (tm.); καταπεφνών Il. 17.539.
cunliffe_lex
ἀγανός -ή, -όν. 1 Gentle, mild, affectionate: ἐπέεσσιν Il. 2.164, 180, 189, Il. 24.772: ἀ. καὶ ἤπιος Od. 2.230=Od. 5.8, μύθοις Od. 15.53. 2 Soothing, effecting propitiation, winning acceptance: δώροισιν Il. 9.113, εὐχωλῇσιν 499: Od. 13.357. 3 Of the shafts of Apollo and Artemis, bringing painless death Il. 24.759: Od. 3.280 = Od. 15.411, Od. 5.124 = Od. 11.173 = 199.
βέλος -εος, τό [βάλλω.] Dat. pl. βελέεσσι Il. 5.622, Il. 11.576, 589, Il. 13.511, etc.: Od. 3.280, Od. 5.124, Od. 11.173, 199, Od. 15.411. βέλεσσι Il. 1.42, Il. 13.555, Il. 24.759. βέλεσι Il. 11.657: Od. 16.277. A missile. 1 A spear or dart, but in pl. not necessarily excluding arrows or stones: οὐχ ἅλιον β. ἧκεν Il. 4.498, βελέων ἐρωήν 542. Cf. Il. 5.18, 316, 622, Il. 8.67, 159, etc.: Od. 16.277.–ἐκ βελέων, out of range of missiles: ὕπαγεν Il. 11.163. Cf. Il. 16.122, 668, 678, 781, Il. 18.152. So ὑπὲκ βελέων Il. 4.465, Il. 18.232. Motion not implied: ἐκ βελέων (keeping out of their range) Il. 14.130. 2 An arrow Il. 1.42, 51, 382, Il. 4.99, Il. 5.104, Il. 15.444, etc.: Od. 3.280 = Od. 15.411, Od. 5.124 = Od. 11.173 = 199, Od. 21.138 = 165, Od. 21.148, Od. 22.83, Od. 24.180. 3 A stone Il. 12.159, 458, Il. 14.439, Il. 16.737. Of the rock thrown by the Cyclops Od. 9.495. 4 Of the θρῆνυς thrown by Antinous Od. 17.464. Of the ox's foot thrown by Ktesippus Od. 20.305. 5 Applied to a weapon in gen. Il. 13.289. 6 Metaphorically of the wound inflicted by a missile: ὥς τις β. πέσσῃ Il. 8.513. Of the pains of childbirth Il. 11.269.
ἐποίχομαι [ἐπ-, ἐπι- 11 14.] 1 With acc., to go towards, to go to join: μνηστῆρας ἐπῴχετο Od. 1.324. In hostile sense, to assail, attack. Of Apollo: οὐρῆας Il. 1.50. So absol.: ἐποιχόμενος κατέπεφνεν Il. 24.759: Od. 3.280 = Od. 15.411. Of Artemis. Absol. Od. 5.124 = Od. 11.173 = 199. Of a hero under the inspiration of a divinity. Of Diomedes Il. 5.330, Il. 10.487. Of Hector Il. 15.279. 2 To range, go about, go hither and thither: πάντοσε Il. 5.508, Μυρμιδόνας ἐποιχόμενος θώρηξεν Il. 16.155. Cf. Il. 6.81, Il. 10.167, 171, Il. 16.496 = 533, Il. 16.215: Od. 6.282. Of missiles Il. 1.383. 3 To range or go hither and thither over. With acc.: νηῶν ἴκρια Il. 15.676. Of sound: [ἀϋτὴ] πάσας [πύλας] ἐπῴχετο Il. 12.340 (v. l. πᾶσαι ἐπώχατο). 4 To go round a company: ἐπῴχετο οἰνοχοεύων Od. 1.143. Cf. Od. 17.346 = 351. 5 With acc., to range or go hither and thither round or among: πάντας ἐπῴχετο κελεύων Il. 17.356. To go round or among, inspect, review: πάσας [φώκας] Od. 4.451. 6 To walk along (the web) following the shuttle, to work at (the web). With acc.: ἱστὸν ἐποιχομένην Il. 1.31. Cf. Od. 5.62, Od. 10.222, 226, 254. 7 Hence, in gen., to ply (one's task): ἔργον ἐποίχεσθαι Il. 6.492: Od. 1.358, Od. 17.227, Od. 18.363, Od. 21.352. To go to see about, busy oneself about: δόρπον Od. 13.34. Absol., to go about a task: ἐποιχομένη ἔντυεν ἵππους Il. 5.720 = Il. 8.382.
†καταφένω [κατα- 5.] Aor. κατέπεφνον Od. 24.325. 3 sing. -ε Il. 6.183, 186, 190, 423, Il. 24.759 : Od. 3.252, 280, Od. 4.534, Od. 5.124, 128, Od. 11.173, 199, 574, Od. 15.411. 3 pl. -ον Od. 23.329. 3 sing. subj. καταπέφνῃ Il. 3.281. Pple. καταπεφνών Il. 17.539. To kill, slay : Μενέλαον Il. 3.281. Cf. Il. 6.183, 186, 190, 423, Il. 17.539, Il. 24.759 : Od. 3.252, 280= Od. 15.411, Od. 4.534, Od. 5.124= Od. 11.173 = 199, Od. 5.128, Od. 11.574, Od. 23.329, Od. 24.325.
†καταφένω [κατα- 5.] Aor. κατέπεφνον Od. 24.325. 3 sing. -ε Il. 6.183, 186, 190, 423, Il. 24.759 : Od. 3.252, 280, Od. 4.534, Od. 5.124, 128, Od. 11.173, 199, 574, Od. 15.411. 3 pl. -ον Od. 23.329. 3 sing. subj. καταπέφνῃ Il. 3.281. Pple. καταπεφνών Il. 17.539. To kill, slay : Μενέλαον Il. 3.281. Cf. Il. 6.183, 186, 190, 423, Il. 17.539, Il. 24.759 : Od. 3.252, 280= Od. 15.411, Od. 4.534, Od. 5.124= Od. 11.173 = 199, Od. 5.128, Od. 11.574, Od. 23.329, Od. 24.325.