segregationist

The term 'segregationist' is built upon the core concept of separation, encoded in the Latin verb 'segregare', which literally meant "to set apart from the flock" ('se-' apart + 'grex' flock). The addition of the noun-forming suffix '-ion' transformed the action into the abstract policy or system of 'segregation'. Finally, the agent suffix '-ist' was appended, a productive suffix in English since the 16th century, to specifically label a person who advocates for or implements such a separating policy. Thus, the word's construction logically progresses from the ancient act of separation to the modern socio-political identity of its supporter.

Structure: segregate (to separate) + ion (noun suffix) + ist (person who advocates) - segregate: From Latin 'segregare' (to separate from the flock), from 'se-' (apart) + 'grex, greg-' (flock, herd). Functions as the core verb root. - ion: A suffix of Latin origin forming nouns denoting an action or process. In this word, it nominalizes the verb 'segregate'. - ist: A suffix of Greek/Latin origin forming agent nouns, denoting a person who practices or is concerned with something, or who holds certain principles.