Ein Sof, or Eyn Sof (/eɪn sɒf/, Hebrew: אֵין סוֹף ʾēyn sōf; meaning "infinite", lit. '(There is) no end'), in Kabbalah, is understood as God prior to any self-manifestation in the production of any spiritual realm, probably derived from Solomon ibn Gabirol's (c. 1021 – c. 1070) term, "the Endless One" (she-en lo tiklah). Ein Sof may be translated as "unending", "(there is) no end", or infinity.[1]