STEP Liddell–Scott–Jones: μεγαλαυχία

μεγᾰλ-αυχία, ἡ,

boasting, arrogance, [[ 5th-6th c.BC: Plato Philosophus “Theaetetus” 174d (_plural_), “Ly.” 206a, LXX.4Mac.2.15. ] LXX+5th c.BC+]

__2 exultation, [[ 3rd c.AD: Longinus Rhetor 7.2. ] Refs 3rd c.AD+]