καθαίρω

I cleanse, clear, purify, refine, purge, clear

cleanse, of things, καθήρατε δὲ κρητῆρας Od. 20.152; τραπέζας ὕδατι . . καθαίρειν 22.439; καθήραντες χρόα καλὸν ὕδατι 24.44; κ. οἰκίαν Antipho l.c., Thphr. l.c.; of wounds, Hp. Ulc. 6, al. (cf. καθαιρέω II.6): c. gen., ἵππον αὐχμηρᾶς τριχός S. Fr. 475; κ. σῖτον X. Oec. 18.6; γῆν clear of weeds, ib. 20.11, cf. PLille 5.24 (iii B.C.), etc.; χρυσόν purify, refine, Pl. Plt. 303d: metaph., purge, clear a land of monsters and robbers, S. Tr. 1012 (hex.), 1061, Plu. Thes. 7; κ. λῃστηρίων τὴν ἐπαρχίαν I

2 purify, purify, from, purify oneself, get purified, keep oneʼs, pure

in religious sense, purify, [δέπας] ἐκάθηρε θεείῳ by fumigating with sulphur, Il. 16.228; κ. τινὰ φόνου purify him from blood, Hdt. 1.44, cf. Berl.Sitzb. 1927.160 (Cyrene); Δῆλον κ. Hdt. 1.64, cf. Th. 1.8; στόλον κ., Lat. classem lustrare, App. BC 5.96: abs., IG 5(1).1390.68 (Andania, i B.C.):— Med., purify oneself, get purified, Hdt. 4.73; οἱ φιλοσοφίᾳ καθηράμενοι Pl. Phd. 114c, cf. Phdr. 243a, Cra. 396e; καθαίρεσθαι καθαρμούς Id. Lg. 868e; καθήρασθαι στόμα keep oneʼs tongue pure, A. Fr. 354:—P

3 purge, evacuate

Medic., purge, evacuate, either by purgatives or emetics, κ. κάτω ἢ ἄνω Hp. Mul. 1.64 (Pass.), cf. Thphr. HP 9.11.11, etc.:—Med., κατὰ κύστιν ἐκαθήρατο Hp. Epid. 1.15:—Pass., ib. 5.2, etc.; also of menstruation, Id. Superf. 33; of the after-birth, τὰ λοχεῖα κ. Id. Mul. 1.78; καθαίρων, ὁ, name for ἶρις, Ps.-Dsc. 1.1.

4 prune, clear

prune a tree, i.e. clear it of superfluous wood, Ev.Jo. 15.2.

5 sift, winnow

sift, winnow grain, PTeb. 373.10 (ii A.D.).

6

metaph., = μαστιγόω, Theoc. 5.119.

II purge away, wash off, clear away, clear up, explain

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 D.C. 37.52: metaph., φόνον κ. A. Ch. 74 (lyr.); also perh., clear up, explain an action, τὴν σύστασιν Epicur. Nat. 66G., cf. 73G.

III cleanse, of, wash, off, am purged of

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, A. Fr. 45; ὁ καθαρθεὶς τὸν φόνον Hdt. 1.43.