Where does the nose racism stem from

I’m european and have a really, really stereotypical big nose. I have gotten a lot of anti semitic comments at me. Im a teenager so i honestly figured it was just bullying kids at school automatically assumed i was ashkenazi and asked me about jewish things, but then not too long ago on my old account a bunch of neo nazis found my acc and kept calling me barbara streisand, that my nose says it all, that im a hawk-jew and all these just horribles things I cried because it hurt and i was in shock people say this stuff like why is this even a thing? people all over the world vary I didnt know where to ask so i just posted here because maybe any relate