# Tisha B'Av

> English word · Proper noun

## Definitions
1. An annual day of fasting, associated with a number of disasters in Jewish history.

## Etymology
From Hebrew תִּשְׁעָה בְּאָב (Tish'a B'Áv, “the ninth day of Av”), from תִּשְׁעָה (tish'á, “nine”) + בְּ (b'-, “in”) + אָב ('Áv, “Av, fifth month of the Jewish Calendar”).

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