# treiskaidekaphobia

> English word · Noun

## Definitions
1. Alternative form of triskaidekaphobia: fear of the number 13.

## Etymology
From Ancient Greek τρεισκαίδεκα (treiskaídeka, “thirteen”) + -phobia.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/treiskaidekaphobia