The European Jews do not want accept and acknowledge the original Hebrew were and are black and that's it.
Semitic means:
1.
relating to or denoting a family of languages that includes Hebrew, Arabic, and Aramaic and certain ancient languages such as Phoenician and Akkadian, constituting the main subgroup of the Afro-Asiatic family.
2.
relating to the peoples who speak Semitic languages, especially Hebrew and Arabic.
No mentioned of a family of people who speaks Yiddish the Jewish language so by definition they are not Semites.