καυχάομαι
Alt. καυχάομαι,
Etym. 2nd sg. καυχᾶσαι in late Gr.
Etym. akin to αὐχέω, εὔχομαι
"to speak loud, be loud-tongued", Pind.: "to boast or vaunt oneself", c. inf., "to boast that", Hdt.:— c. acc. "to boast of" a thing, c. acc., NTest.
Etym. from καύχη