Səphīrōth (סְפִירוֹת, medieval Hebrew form of Sephirot; also spelled Sefirot), is a plural noun in Hebrew; the singular is Sephirah (also spelled Sefira). The Sephiroth are described in the Kabbalah as the manifestations of God that allow Him to manifest in the physical and metaphysical universes. Sephiroth also means "counting" (of numbers).
Usage
See Special:Whatlinkshere/Etymology:Sephiroth for a list of articles using this term.
This is an etymology page: a page detailing the origins of terminology used in the series in regards to real world culture and history.