Meaning

noun the act of arousing

noun a state of heightened physiological activity

noun awakening from sleep

originEtymology tree English a- English rouse English arouse Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālisbor. Old French -albor. ▲ Latin -ālis Old French -elbor. ▲ Latin -ālisbor. Middle English -al English -al English arousal From arouse + -al.

Etymology from Wiktionary, CC BY-SA 3.0