gobo

1. A screen (often in disc form) placed between a light and an illuminated actor or object in order to diffuse the glare.
2. A device used to shield a microphone from extraneous sounds.
3. A template inserted over a light source to control the shape of the thrown light.

Hyphenated as

go‧bo

Pronounced as (IPA)

/ˈɡəʊbəʊ/

Etymology

Cognate with Mandarin Chinese: 牛蒡

In summary

Uncertain; possibly from go-b(etween) (“intermediary, middleman”) + -o (suffix forming informal terms).

Synonyms

bezel

diaphragm

douser

dowser

hood

occluder

lens screen

spill shield

light screen

viser

lens shield