LogeionPerseus analysis of ῥά:
ῥα,ἄρα (there and then, straightway): epic (enclitic indeclform particle)
LSJ entry
ἄρᾰ
ἄρα,
Ep. ῥά (which is enclitic and used after monosyllables, ἦ, ὅς, γάρ, etc., or words ending in a vowel or diphthong, e.g. ἐπεί),
before a consonant ἄρ (perh. cf. Lith. iȓ ‘andʼ): expressing consequence, then, or mere succession, there and then, and in many derived uses. I. immediate transition, there and then, straightway, ὣς φάτο βῆ δʼ ἄρʼ Ὄνειρος Il. 2.16:
after a part.,
ὣς εἰπὼν κατʼ ἄρʼ ἕζετο 1.68,
al.; πυθόμενος . . εἶπε ἄ. Hdt. 4.134,
cf. 9.9;
ἐρωτώσης τῆς μητρὸς ἀπεκρίνατο ἄρα X. Cyr. 1.3.2;
with other Particles, δέ, ἦ, ὡς, etc., cf. ὁ δὲ Ἀστυάγης ἄ. εἶπεν ib.4.10:
also after Advbs. of Time, τότε δή ῥα, τῆμος ἄρα, etc.; οὕτως ἄρα Pl. Phdr. 259b;
often in apodosi, as αὐτὰρ ἐπεὶ δὴ θηήσατο . . αὐτίκʼ ἄρʼ ἤλυθεν Od. 5.77;
repeated τὼ μὲν ἄρʼ . . κεῖντο ἡ δʼ ἄρʼ . . ἀγόρευε Il. 21.426:
in enumerations, e. g. in Homerʼs catalogue, then, next, οἱ δʼ ἄρʼ Ἀθήνας εἶχον 2.546;
so in genealogies, Σίσυφος . . ὁ δʼ ἄ. Γλαῦκον τέκεθʼ υἱόν 6.154.
1. that of antecedent and consequent, οἰνοχόει . . ἄσβεστος δʼ ἄρʼ ἐνῶρτο γέλως 1.599,
cf. 24.507;
τοὔνεκʼ ἄρʼ ἄλγεʼ ἔδωκε 1.96;
freq. with οὕνεκα in protasi, 7.140,
al.: also in questions, τίς τʼ ἄρ τῶν ὄχʼ ἄριστος ἔην; who then (say you) was . . ?
2.761:
with demonstr. Pronoun in recapitulation, ἀλλʼ υἱὸν Πριάμοιο . . τόν ῥʼ Ὀδυσεὺς βάλε he it was, whom . . ,
4.501:
freq. in such phrases as ὣς ἄρα φωνήσας 2.35,
al.; ὣς ἄρʼ ἔφη 1.584,
al.; ἦ ῥα 3.355,
al., thus, then he spoke.—This usage is universal in Greek. B. LATER USAGE, always with inferential force: 1.
in drawing conclusions (more subjective than οὖν)
, ἄριστον ἄ. ἡ εὐδαιμονία Arist. EN 1099a24;
δῆλον ἄ. Id. Pol. 1295b33;
in pseudo-syllogistic conclusions, Id. SE 174b11,
Rh. 1401a3,
al.: esp. by way of informal inference, as it seems, οὐκ ἄ. σοί γε πατὴρ ἦν Πηλεύς Il. 16.33;
οὐδʼ ἄ. πως ἦν ἐν πάντεσσʼ ἔργοισι δαήμονα φῶτα γενέσθαι 23.670;
μάτην ἄρʼ, ὡς ἔοικεν, ἥκομεν S. El. 772;
οὕτω κοινόν τι ἄ. χαρᾷ καὶ λύπῃ δάκρυά ἐστιν so true is it that . . ,
X. HG 7.1.32;
πολὺ γὰρ ἀμείνων ἄ. ὁ τοῦ ἀδίκου ἢ ὁ τοῦ δικαίου βίος Pl. R. 358c;
ἦν ἄ. πυρός γʼ ἕτερα . . θερμότερα Ar. Eq. 382;
ὦ τλῆμον ἀρετή, λόγος ἄρʼ ἦσθα Trag.Adesp. 374;
so in announcing the discovery or correction of an error, as οὐκ ἐννενοήκαμεν ὅτι εἰσὶν ἄ. . .
Pl. R. 375d;
φαίνεται πρὸ ποδῶν ἡμῖν κυλινδεῖσθαι καὶ οὐχ ἑωρῶμεν ἄρʼ αὐτό ib.432d;
εἰκότως ἄ. οὐκ ἐγίγνετο· ὡς γὰρ ἐγὼ νῦν πυνθάνομαι. .
X. An. 2.2.3.