Quick Definition
I break in pieces
Strong's Definition
to rend in pieces, i.e. crack apart
Derivation: from G2596 (κατά) and the base of G4486 (ῥήγνυμι);
KJV Usage: break
Thayer's Greek Lexicon
κατάγνυμι: future κατεαξω; 1 aorist κατεαξα (impv. κάταξον, Deu_33:11); passive, 2 aorist κατεάγην, whence subjunctive 3 person plural κατεαγῶσιν; 1 aorist κατεαχθην in the Sept. Jer_31:25 () 25; (on the syllabic augment of these forms cf. Alexander Buttmann (1873) Ausf. Spr. ii., p. 97f, cf. i., p. 323f; Matthiae, i., p. 520f; Winers Grammar, § 12, 2; (Curtius, Das Verbum, i., p. 118; Veitch, under the word; Kuenen and Cobet, N. T., Praef., p. lxxix.)); from Homer down; to break: τί, Mat_12:20; Joh_19:31-33. (Synonym: see Schmidt, chapter 115, 5 and cf. ῤήγνυμι.)
Mounce Concise Greek Dictionary
κατάγνυμι katagnymi 4x
to break in pieces, crush, break in two, Mat_12:20 ; Joh_19:31-33
καταγράφω katagraphō 1x
to trace, draw in outline, write, Joh_8:6
Abbott-Smith Greek Lexicon
κατ -άγνυμι ,
[in LXX for H5181 pi ., etc.;]
to break: c . acc rei , Mat_12:20 ( LXX ), Joh_19:31-33 .†
Moulton & Milligan — Vocabulary of the Greek NT
κατάγνυμι [page 325]
The curious forms κατεάξω , etc. (Blass Gr. p. 52, Rader-macher Gr. p. 69 f.) can now be illustrated from BGU III. 908 .25 (time of Trajan) κατέαξαν ἐνίων οἰκιῶν τὰς θύρας , P Flor II. 185 .7 (A.D. 254) τὰ δὲ κανθήλεια ( pack-saddles ) . . κατεαγμένα καὶ ἄχρηστα : cf. ib . 175 .7 (A.D. 255) and Syll 588 .10 ( c. B.C. 180) κατεαγότες . The subst. occurs bis in connexion with a wound in the head, BGU II. 647 .12 f , (A.D. 130) ὑπὲρ τὸν ἀριστερὸν κρόταφον τῆς κεφαλῆς τραῦμα κατέαγμα ἐπὶ βάθους , ἐν ᾧ εὗρον μι [κρ ]ὰ κατεάγματα λ [ί ]θ [ο ]υ : cf. P Amh II. 93 .19 (A.D. 181) ἐὰν δέ τις ἐπισκευῆς ἢ ἀνοικοδομῆς ἢ καταιάγματος ξυλικῶν ἢ ἀργαλίων ὁμοίως ὄντων πρὸ ( l. πρὸς ) σὲ τὸν Στοτοῆτιν , if any repairs or rebuilding or breakage of wood-work or tools occur you, Stotoλtis, shall be responsible (Edd.). See also Moult on Gr. ii. § 83. 1.
Liddell-Scott — Intermediate Greek Lexicon
κατάγνυμι inf. -ύναι καταγνύω fut. κατάξω aor1 κατέαξα part. κατάξας Pass., aor2 κατεάγην opt. κατα_γείην perf. κατέα_γα ionic κατέηγα [Etym: perf act in passive sense] "to break in pieces, shatter, shiver, crack", Hom. , attic "to break up, weaken, enervate", Eur. , Plat. Pass. with perf. act. "to be broken", δόρατα κατεηγότα Hdt. ; κατεαγέναι or καταγῆναι τὴν κεφαλήν "to have" the head "broken", Ar. , etc.; c. gen., τῆς κεφαλῆς κατέαγε "he has got" a bit of his head "broken", id=Ar.
STEPBible — Tyndale Abridged Greek Lexicon
κατ-άγνυμι
[in LXX for נָחַת pi., etc. ;]
to break: with accusative of thing(s), Mat.12:20 (LXX), Jhn.19:31-33.†
(AS)