The Roman emperor Augustus, b. 23 September 63 BC, d. 19 August 14 AD
Fromaugustus(“majestic, venerable”), originally a word of religious use, which was given as a title to the emperorAugustus. The monthSextīlis was renamed after the emperorCaesar Augustus.
In Latin, the month names are used as adjectives. In the Classical period, this adjective modifies a noun identifying a particular day, from which the date was reckoned. In Medieval Latin and later periods, the adjective modifies a numeral for the day of the month.
These borrowings are ultimately but perhaps not directly from Latin. They are organized into geographical and language family groups, not by etymology.