Samhainophobia is an anxiety disorder characterized by an abnormal or excessive fear of Samhain, the Gaelic festival marking the end of harvest and the beginning of winter. While rooted in myth and ritual contexts, the term is used clinically to denote persistent fear associated with autumn, dark imagery, and supernatural associations tied to Samhain. It combines the Greek phobos (fear) with Samhain, the Celtic festival, and the suffix -ia to name the condition.
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