Here’s how Merriam Website defines “intersectionality”:

It’s been around since the late 1980’s but intersectionality is a word that’s new to many of us. It’s used to refer to the complex and cumulative way that the effects of different forms of discrimination (such as racism, sexism, and classism) combine, overlap, and yes, intersect—especially in the experiences of marginalized people or groups.

I’ve shared resources on this before, I thought a “Best” list would be useful. I’m adding this post to All My “Best” Lists On Race, Racism & The Civil Rights Movement – In One Place: