ocaso

Etymology
From.

Noun

 * 1) dusk a period of time occurring at the end of the day during which the sun sets
 * 2)  decline; downfall

Etymology
.

Noun

 * 1) dusk, sunset
 * 2)  west
 * 3)  decline
 * 1)  west
 * 2)  decline
 * 1)  decline