Abbott-Smith Manual Greek Lexicon
κατα-καυχάομαι (G2620)
4 † κατα-καυχάομαι , -ῶμαι , [in LXX: Za 10:12 ( הלךְ hith.), Je 27 (50):11 ( עלז ), Je 27 (50):38 ( הלל )*;] to boast against , exult over : c. gen., Ro 11:18 , Ja 2:13 ; seq. κατά , c. gen., Ja 3:14 (T, om. κατά ). seq. ἐν , to glory in ( Za 10:12 , Je 27:38 ).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain