What is "tevet"

Tevet ( Hebrew: טֵבֵת, Standard Tevet; Sephardim/ Yemenite/ Mizrachim "Tebeth"; Ashkenazi Teves; Tiberian Ṭēḇēṯ; from Akkadian ṭebētu) is the fourth month of the civil year and the tenth month of the ecclesiastical year on the Hebrew calendar. It follows Kislev and precedes Shevat. It is a winter month of 29 days. Tevet usually occurs in December–January on the Gregorian calendar.