to wake; to wake up; to awaken; to pique (interest, curiosity)
“Despiértame a las siete, ¿vale?” — Wake me up at seven, OK?
From despierto (“awake”) + -ar, or it may correspond to a Vulgar Latin *expertāre, from *expertus, from Latin experrēctus (“awoken”), perfect passive participle of expergīscor (“to awake, to wake up”). Cognate with Galician despertar, espertar, Catalan despertar, Portuguese despertar, and Walloon dispierter.