Asarah Betevet

or A·sa·rah Be·te·bet

[ Sephardic Hebrew ah-sah-rah buh-te-vet; Ashkenazic Hebrew ah-saw-ruh buh-tey-veys ]
/ Sephardic Hebrew ɑ sɑˈrɑ bəˈtɛ vɛt; Ashkenazic Hebrew ɑˈsɔ rə bəˈteɪ veɪs /

noun

a Jewish fast day observed on the 10th day of the month of Tevet in memory of the beginning of the siege of Jerusalem in 586 b.c. by the Babylonians under King Nebuchadnezzar.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019