#enyo

According to most, warlike Enyalios came from Enyo. But some say that, just as Pallas got her name on account of killing Pallas [masc.], so too Enyalios was named from a similar event. At any rate, Arrian records that when Ares came to the lands of Thrace, where the home of Enyalios was, he wished to be entertained as a guest. But Enyalios did not wish to receive him, saying that he would host no one who was not stronger than him in deeds of war. Ares responded: “Then it is time for you to host me, since I am stronger than you in war.” When Enyalios denied this, they came to blows, and after a long drawn-out battle he was finally felled by Ares, who struck him in the armour with his broad-sword (ῥομφαία). Thus, when young Ares had accomplished this great feat, he was called Enyalios after him.

᾽Ενυάλιος δὲ κατὰ μὲν τοὺς πλείους ὁ πολεμικὸς ἀπὸ τῆς ᾽Ενυοῦς. τινὲς δὲ ὥσπερ τὴν Παλλάδα διὰ φόνον τοῦ Πάλλαντος, οὕτω καὶ τὸν ᾽Ενυάλιον διά τι τοιοῦτον κεκλῆσθαί φασιν. ᾽Αρριανὸς γοῦν ἱστορεῖ ὅτι «ἐλθὼν ῎Αρης εἰς τὰ τῆς Θράικης χωρία, ὅπου τὰ οἰκία ἦν τῶι ᾽Ενυαλίωι, ἤθελε ξενισθῆναι. ὁ δὲ οὐκ ἤθελε δέχεσθαι φάμενος οὐκ ἂν ξενίσαι ἄλλον ἢ ὃς κρείσσων αὑτοῦ τὰ πολέμια ἔλθοι. καὶ ὅς· ‘ὥρα σοι ξενίζειν ἐμέ, καθότι κρείσσων σού φημι τὰ πολέμια εἶναι.’ τοῦ δὲ ᾽Ενυαλίου ἀποφάσκοντος ἔρχεται εἰς χεῖρας καὶ ἐπὶ πολὺ τῆς μάχης ἐκταθείσης τέλος ὁ ᾽Ενυάλιος πίπτει ὑπὸ τῶι ῎Αρει, πληγεὶς ὅπλωι τῆι ῥομφαίαι. διὸ καθότι μέγα τοῦτο ἆθλον ὁ ῎Αρης νέος ὢν ἐξετέλεσεν, ἐκαλεῖτο ἐπ᾽ αὐτῶι ᾽Ενυάλιος.»

For anybody wondering what a Rhomphaia (thracian "broad-sword") looked like.