verb/desaʝuˈnaɾ/
to break a fast; to have (for) breakfast
“Desayuno a las siete y media.” — I breakfast at 7:30.
From des- + ayunar, possibly corresponding to a Vulgar Latin *disieiunāre, from Late Latin ieiūnāre, from Latin ieiūnus. Compare English dine, Catalan dejunar, French déjeuner / dîner, Italian digiunare, Occitan dejunar, Portuguese desjejuar.