Meaning

noun (theology) any doctrine that asserts the separate existence of God

noun the belief that the spirits of dead people can communicate with people who are still alive (especially via a medium)

noun concern with things of the spirit

originEtymology tree Proto-Indo-European *(s)peys-der.? Latin spīrō Proto-Indo-European *-tus Proto-Italic *-tus Latin -tus Latin spīritus Proto-Indo-European *h₂el-der.? Proto-Italic *-ālis Latin -ālis Late Latin spīrituālisder. Old French spirituelbor. Middle English spiritual English spiritual Proto-Indo-European *-id- Proto-Indo-European *-yéti Proto-Indo-European *-idyéti Proto-Hellenic *-íďďō…

Etymology from Wiktionary, CC BY-SA 3.0