Old Testament Hebrew Lexical Dictionary
Strong's #2887 - טֵבֵת
Tebeth = “goodness”
1) the 10th month of the Jewish calendar corresponding to modern Dec-Jan
טֵבֵת the tenth Hebrew month; from the new moon in January to that in February, Esther 2:16. “The tenth month which is called by the Hebrews Tebeth, and by the Egyptians Τύβι (in la Croze Τώβι; in Cod. Vienn. Τήβι. Arabic طوبة), by the Romans January.” Jerome, on Ezekiel 39:1. But the Egyptian month now mentioned, extended from the 20th of December, to the 20th of January.
the Seventh Week after Easter