cockiness

noun

arrogant/conceited behavior/demeanor, brash/excessive self-confidence

Wiktionary

noun

Etymology: Etymology tree English cocky Proto-Germanic *-inōną Proto-Indo-European *-dyé- Proto-Germanic *-atjaną Proto-Indo-European *-tus Proto-Germanic *-þuz Proto-Germanic *-assuz Proto-Germanic *-inassuz Proto-West Germanic *-nassī Old English -nes Middle English -nesse English -ness English cockiness From cocky + -ness.

The state or quality of being cocky.