It's brewed pale gold, not black — unsweetened, spiced with cardamom, and traditionally poured only a third full so the host can keep offering refills.
Gahwa is Arabic coffee lightly roasted and brewed with cardamom, served from a long-spouted brass dallah pot into small handleless cups, almost always alongside dates. It's the centerpiece of the Emirati majlis (sitting room) welcome and also appears at markets and cultural stalls.