how long has the word and meaning to Racism existed?

The term "racism" first emerged in the early 20th century, with its usage becoming more widespread after World War II. While the concept of discrimination based on race has existed for centuries, the specific Word "racism" gained prominence in the 1930s. The meaning of racism, encompassing prejudice, discrimination, and antagonism directed against individuals of different races, has evolved over time but has roots in historical social and political dynamics.