1957 in modern usage, from ethno- + -genesis "birth, origin, creation." It was the title of an 1861 poem celebrating the birth of the Confederacy by U.S. Southern poet Henry Timrod (1828-1867).
Entries linking to ethnogenesis
ethno-
word-forming element meaning "race, culture," from Greek ethnos "people, nation, class, caste, tribe; a number of people accustomed to live together" (see ethnic). Used to form modern compounds in the social sciences.
-genesis
word-forming element meaning "birth, origin, creation," from Greek genesis "origin, creation, generation," from gignesthai "to be born," related to genos "race, birth, descent" (from PIE root *gene- "give birth, beget," with derivatives referring to procreation and familial and tribal groups).