(Esther 2:16), a word probably of Persian origin, denoting the cold time of the year; used by the later Jews as denoting the tenth month of the year. Assyrian tebituv, “rain.”
Easton’s Bible Dictionary
Tebeth
Name meaninggood, goodness (the tenth month of the Hebrews)
Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.