foco

Etymology 1
. Perhaps from, but then the /f/ would be totally inexplicable; alternatively, perhaps from a language.

Adjective

 * 1) hollow
 * 2) deep
 * 1) deep

Etymology 2
..

Noun

 * 1) lantern
 * 2) flashlight, torch
 * 1) flashlight, torch

Etymology 1
..

Noun

 * 1)  focus (point at which rays of light converge)
 * 2)  focus (point of a conic at which rays reflected from a curve or surface converge)
 * 3)  focus (convergence of light on the photographic medium)
 * 4)  the source of transmission of a disease
 * 5) focus (concentration of attention)
 * 6) objective; intent
 * 7) headquarters
 * 8)  lamp
 * 1) headquarters
 * 2)  lamp
 * 1)  lamp
 * 1)  lamp

Etymology
. Compare the inherited doublet.

Noun

 * 1) focus place or spot where something is focused
 * 2) spotlight
 * 3)  headlight especially on the front of a motor vehicle
 * 4) light bulb
 * 5)  flashlight, torch battery-powered hand-held light source
 * 1)  flashlight, torch battery-powered hand-held light source
 * 1)  flashlight, torch battery-powered hand-held light source