verb/keˈxaɾse/
to complain, to whine, to gripe, to grouse, to fuss, to bitch, to beef; to grumble, to moan, to groan; to quarrel
“¡Deja de quejarte!” — Stop complaining!
Inherited from Vulgar Latin *quassiare, from Latin quassāre. Doublet of cascar. Cognate with English quash.