From Wiktionary, the free dictionary
From negro + -ize.
negroize (third-person singular simple present negroizes, present participle negroizing, simple past and past participle negroized)
- (transitive, dated) To make negro; to convert or adapt to the ways or norms of black people.
- Synonyms: negrify, negrofy
- Coordinate terms: blackify; blackwash