Also see definition of "Tisri" in Bible Study Dictionaries
Word Study
Tisri
CIDE DICTIONARY
Tisri, n. [Heb. tishrī, fr. Chald. sherā' to open, to begin.].
The seventh month of the Jewish ecclesiastical year, answering to a part of September with a part of October. [1913 Webster]
Also see definition of "Tisri" in Bible Study Dictionaries
For further exploring for "Tisri" in Webster Dictionary Online