The story
Coined by American sociologist and anthropologist Ruth Hill Useem in the 1950s. "Third culture" refers to a distinct way of life different from those of the birth or host countries, but common to fellow expats.
First known use, by meaning
- from mid-20th c. A young person who has lived for a significant period outside their birth (or passport) country due to parental work-related migration.
Etymology from Wiktionary, CC BY-SA 4.0.