καθαίρω
kathairo
cleanse
Appears 42 times across Plato's dialogues.
Frequency by work
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Dictionary (LSJ)
καθαίρω, fut. κᾰθᾰρῶ Oec. 18.6, prob. in Lg. 735b, etc.: aor. 1 ἐκάθηρα Od. 20.152, 3.104, Mul. 1.47, IG 22.1672.47 (ἀνα-), 5.119, etc.; ἐκάθᾱρα is found in codd. of 6.37, An. 5.7.35, Acut. (Sp.) 11, and commonly in later Gr., Char. 16.7, BCH 6.23 (Delos, ii B.C.), (ἀνα-) PPetr. 3p.141 (iii B.C.), (συνανα-) IGΙΙ(2).163A 56 (Delos, iii B.C.), cf. διακαθαίρω, ἐκκαθαίρω, etc., and 16; v. infr. Med.: pf. κεκάθαρκα (ἐκ-) Sch. Pax 752:— Med., fut. καθαροῦμαι Cra. 396e, Morb. 2.38 (in pass. sense, ib. 2.13, Nat.Mul. 13, Mul. 2.160): aor. ἐκαθηράμην Fr. 354, Epid. 5.43, Lg. 868a, IGΙΙ(2).146A 78 (Delos, iv B.C.), 153.9, 154A 37 (ibid., iii B.C.); later ἐκαθᾱράμην ib.146A 80 (iv B.C.), Inscr.Délos 290.79, al. (iii B.C.), etc., (ἀνα-) IG 22.1668.8(iv B.C.): Pass., fut. καθαρθήσομαι ap. 7.26.64, 7.222: aor. ἐκαθάρθην 1.43, 3.104, Epid. 5.2, etc. (aor. 2 ἀποκαθαρῇ is f.l. in Cyn. 27.1): pf. κεκάθαρμαι Nat.Mul. 8, Phd. 69c, etc.: (καθαρός): I. cleanse, of things, καθήρατε δὲ κρητῆρας Od. 20.152; τραπέζας ὕδατι . . καθαίρειν 22.439; καθήραντες χρόα καλὸν ὕδατι 24.44; κ. οἰκίαν l.c., l.c.; of wounds, Ulc. 6, al. (cf. καθαιρέω II.6): c. gen., ἵππον αὐχμηρᾶς τριχός Fr. 475; κ. σῖτον Oec. 18.6; γῆν clear of weeds, ib.20.11, cf. PLille 5.24 (iii B.C.), etc.; χρυσόν purify, refine, Plt. 303d: metaph., purge, clear a land of monsters and robbers, Tr. 1012 (hex.), 1061, Thes. 7; κ. λῃστηρίων τὴν ἐπαρχίαν Mar. 6: c.acc. cogn., καθαρμὸν κ. Lg. 735b:—Pass., τὴν νηδὺν ἀνασχισθεῖσαν καὶ καθαρθεῖσαν 4.71. 2. in religious sense, purify, [δέπας] ἐκάθηρε θεείῳ by fumigating with sulphur, Il. 16.228; κ. τινὰ φόνου purify him from blood, 1.44, cf. Berl.Sitzb. 1927.160 (Cyrene); Δῆλον κ. 1.64, cf. 1.8; στόλον κ., Lat. classem lustrare, BC 5.96: abs., IG 5(1).1390.68 (Andania, i B.C.):— Med., purify oneself, get purified, 4.73; οἱ φιλοσοφίᾳ καθηράμενοι Phd. 114c, cf. Phdr. 243a, Cra. 396e; καθαίρεσθαι καθαρμούς Lg. 868e; καθήρασθαι στόμα keep oneʼs tongue pure, Fr. 354:—Pass., κεκαθαρμένος καὶ τετελεσμένος Phd. 69c. 3. Medic., purge, evacuate, either by purgatives or emetics, κ. κάτω ἢ ἄνω Mul. 1.64 (Pass.), cf. HP 9.11.11, etc.:—Med., κατὰ κύστιν ἐκαθήρατο Epid. 1.15:—Pass., ib.5.2, etc.; also of menstruation, Superf. 33; of the after-birth, τὰ λοχεῖα κ. Mul. 1.78; καθαίρων, ὁ, name for ἶρις, Ps.- 1.1. 4. prune a tree,i.e.clear it of superfluous wood, Ev.Jo. 15.2. 5. sift, winnow grain, PTeb. 373.10(ii A.D.). 6. metaph., = μαστιγόω, 5.119. II. of the thing removed by purification, purge away, wash off, λύματα πάντα κάθηρεν Il. 14.171; ἐπεὶ πλῦνάν τε κάθηράν τε ῥύπα πάντα Od. 6.93; clear away, τὰ λῃστικά 37.52: metaph., φόνον κ. Ch. 74 (lyr.); also perh., clear up, explain an action, τὴν σύστασιν Nat. 66G., cf. 73G. III. c. dupl. acc., αἷμα κάθηρον . . Σαρπηδόνα cleanse him of blood, wash the blood off him, Il. 16.667:—Pass., καθαίρομαι γῆρας I am purged of old age, Fr. 45; ὁ καθαρθεὶς τὸν φόνον 1.43.
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