ἀριθμός
arithmos
number
Appears 143 times across Plato's dialogues.
Frequency by work
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Dictionary (LSJ)
ἀριθμός [ᾰ], (ἁρ- IG 1.164), ὁ, A. number, first in Od., λέκτο δʼ ἀριθμόν 4.451; ἀριθμῷ παῦρα 3; ἓν ἀριθμῷ 3.6; ἀριθμὸν ἕξ 1.14, cf. 50; ἐς τὸν ἀ. τρισχίλια 7.97; πλῆθος ἐς ἀ. the amount in point of number, ib.60; τὸν ἀ. δώδεκα 11.11; δύο τινὲς ἢ τρεῖς . . εἰς τὸν ἀ. 165; ἔλαττον μήτε ὄγκῳ μήτε ἀριθμῷ Tht. 155a; οὔτʼ ἀριθμοῖς οὔτε μεγέθεσιν ἐλάττους Lg. 861e; σταθμῷ καὶ ἀ. Smp. 4.45; διʼ ἀ. καὶ μέτρου Per. 16, cf. Tr. 620: prov., λέγειν ποντιᾶν ψάφων ἀριθμόν ‘count the pebbles on the shore’, O. 13.46, cf. 2.98; οὐ γιγνώσκων ψήφων ἀριθμούς, of a blockhead, 19; οὔτʼ ἀριθμὸν οὔτʼ ἔλεγχον . . ἔχων 3.13. 2. amount, sum, πολὺς ἀ. χρόνου 1.78; ἀ. τῆς ὁδοῦ An. 2.2.6; ἀ. [χρυσίου] a sum of money, Cyr. 8.2.16. 3. ἀριθμῷ, abs., in certain numbers, 6.58; but δένδρα ἀριθμῷ ὑμέτερα by tale, 2.72; ἀ. διδόναι 3.6. 4. item or term in a series, ὁ δεύτερος ἀ. Ion 1014; τρίτον ὠδίνων ἀ. Epigr.Gr. 574; ναῦς πολλοὺς ἀ. ἄγνυται ναυαγίων Hel. 410, cf. Po. 1461b24; τοὺς ἀ. τοῦ σώματος points of the body, Lg. 668d; τοὺς ἀ. ἑκάστου τῶν νοσημάτων Acut. 3; τὸ καλὸν ἐκ πολλῶν ἀ. ἐπιτελεῖσθαι 2.45c: hence as a mark of completeness, πάντας τοὺς ἀ. περιλαβών 11.16; τοῦ καθήκοντος τοὺς ἀριθμούς the sum total of duty, 3.1. 5. number, account, as a mark of station, worth, rank, μετʼ ἀνδρῶν ἵζει ἀριθμῷ takes his place among men, Od. 11.449; εἰς ἀνδρῶν μὲν οὐ τελοῦσιν ἀ. Fr. 492; εἰς ἀ. τῶν κακῶν πεφύκαμεν Hec. 1186; ξενίας ἀριθμῷ πρῶτʼ ἔχειν ἐμῶν φίλων in regard of friendship, ib.794; δειλοὶ γὰρ ἄνδρες οὐκ ἔχουσιν ἐν μάχῃ ἀριθμόν have no account made of them, Fr. 519; οὐδʼ εἰς ἀ. ἥκει λόγων she comes not into my account, El. 1054; ἀ. οὐδεὶς οὐδὲ λόγος ἐστί τινος 2.682f, cf. Epigr. 27.6, Orac. ap. Sch. 14.48. 6. mere number, quantity, opp. quality, ταῦτʼ οὐκ ἀ. ἐστιν, ὦ πάτερ, λόγων a mere set of words, OC 382; of men, οὐκ ἀ. ἄλλως not a mere lot, Tr. 476; ἀριθμός, πρόβατʼ ἄλλως Nu. 1203; sometimes even of a single man, οὐκ ἀριθμὸν ἀλλʼ ἐτητύμως ἄνδρʼ ὄντα not a mere unit, Heracl. 997; also ἀριθμὸν πληροῦν to be a mere cipher, Milt. 66. II. numbering, counting, μάσσων ἀριθμοῦ past counting, N. 2.23; esp. in phrases, ἀ. ποιεῖσθαι τῶν νεῶν to hold a muster of . . , 8.7; ποιεῖν An. 7.1.7, etc.; παρεῖναι εἰς τὸν ἀ. ib.II; εἴ τι δυνατὸν ἐς ἀ. ἐλθεῖν can be stated in numbers, 2.72. III. the science of numbers, arithmetic, ἀριθμόν, ἔξοχον σοφισμάτων Pr. 459; ἀριθμῶν καὶ μέτρων εὑρήματα Fr. 432; ἀ. καὶ λογισμὸν εὑρεῖν Phdr. 274c, cf. R. 522c: prov., εἴπερ γὰρ ἀριθμὸν οἶδα Fr. 360.19. IV. in Philos., abstract number, Cat. 4b23, Metaph. 990a19, al.; ἀ. μαθηματικός ib.1090b35; ἀ. οὐσιώδης, opp. τοῦ ποσοῦ, 5.5.4; ἀ. ἑνιαῖος, οὐσιώδης, ἑτεροῖος, Pr. 228. V. Gramm., number, 3.214, 634.16, Synt. 32.2,al.; cf. ἑνικός, δυικός, πληθυντικός. VI. numeral, ib.36.6, etc.; ὁ τέσσαρα ἀ. M. 7.96; παιδὸς ἀ., = δεκάτη, El. 1132. VII. unknown quantity (x), defined as πλῆθος μονάδων ἀορίστων, Def. 2. VIII. Rhet., rhythm in Prose, in pl., Comp. 23, Dem. 52, cf. Rh. 1408b29; but also ἀριθμοὶ τῶν ἀρχαίων ποιητᾶν SIG 703.7 (Delph.). IX. line of a book, Cit.2. X. sum of numerical values of letters in a name, Apoc. 13.17,al.; φιλῶ ἧς ἀριθμὸς φμέ Pompeian Inscr. in Rend.Linc. 10(1901).257. XI. unit of troops, = Lat. numerus, CIG 5187 (vi A. D.), BGU 673 (vi A. D.), etc.; = legio, ad Ath. 280d, 5.26, PLond. 5.1711.69 (vi A. D.). XII. Astrol., mostly in pl., degrees traversed in a given time, Tetr. 112, in Cat.Cod.Astr. 6.107.30; τοῖς ἰδίοις ἀ. at her normal speed, of the moon, 19.531; also of degrees of latitude, 2.8,3.1. XIII. Medic., in pl., precise conditions, παρόντων τῶν πρὸς τὴν φλεβοτομίαν ἀριθμῶν Herod.Med.in Rh.Mus. 58.71, cf. CA 2.3, prob. in ap. 9.2; cf. supr.1.4. [ῐ El. 1132, Nu. 1203.] (ἀρῐ-θμός from root ἀρι-, cf. ἐπάριτος (q. v.), νήριτος.)
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