κατακαυχάομαι,
boast against one, exult over him, τινος [[ NT.Rom.11.18, Eust.ad 2nd c.AD: Dionysius Periegeta “Prooem.” p.67 5th c.BC: Bacchylides Lyricus; κατά τινος NT.Jam.3.14: _metaphorically_, -καυχᾶται ἔλεος κρίσεως [prev. work] 2.13 ] NT+5th c.BC+]; κ. ἔν τινι to glory in it, [[ LXX.Zech.10.12. ] LXX]