ἐγκαυχάομαι,
pride oneself on, ἔν τινι [[ LXX.Psa.73(74).4; τινί 5th-4th c.BC: Aesopus Fabularum Scriptor 230, 11th-12th c.AD: Eustratius Philosophus “in Ethica Nicomachea commentaria - Comm. in Arist. Graeca xx” 272.14. ] LXX+5th c.BC+]
to boast of
ἐγκαυχάομαι,
pride oneself on, ἔν τινι [[ LXX.Psa.73(74).4; τινί 5th-4th c.BC: Aesopus Fabularum Scriptor 230, 11th-12th c.AD: Eustratius Philosophus “in Ethica Nicomachea commentaria - Comm. in Arist. Graeca xx” 272.14. ] LXX+5th c.BC+]