เบื้องหลัง

Etymology
From 🇰🇲.

Preposition

 * 1) behind.

Adverb

 * 1) behind.
 * 2)  behind the scenes: backstage; during production; etc.
 * 3)  behind the scenes: behind the curtain; in secret.

Noun

 * 1)  behind-the-scenes material; behind-the-scenes footage; making-of.
 * 2)  secret or hidden place, part, or area: area behind the curtain; area behind the screen; etc.
 * 3)  background; history; environment.