Meaning

noun someone who is or has been segregated

verb separate by race or religion; practice a policy of racial segregation

verb divide from the main body or mass and collect

originFrom Latin sēgregātus, perfect passive participle of sēgregō (“to separate”), from sē- (“apart”) + gregō (“to flock or group”), from grex (“flock”). Compare gregarious, aggregate.

Etymology from Wiktionary, CC BY-SA 3.0