History of Halloween: A 2,000-year-old Pagan Ritual weird-history-facts.com

The name “Halloween” is derived from All Hallows’ Eve, also known as Allhalloween, All Hallows’ Eve, or All Saints’ Eve (hallows).The present English term Halloween has traces to medieval Christianity. “Hallow” is another word for “Holy” in Old and Middle English. It can also mean saint if used as a noun.