Gazette is a loanword from the French language, which is, in turn, a 16th-century permutation of the Italian gazzetta, which is the name of a particular Venetian coin.
[1] (Compare with other vernacularisms from publishing lingo, such as the British penny dreadful and the American dime novel.)
For some governments, publishing information in a gazette was or is a legal necessity by which official documents come into force and enter the public domain.
For example, "Lake Nakuru was gazetted as a bird sanctuary in 1960 and upgraded to National Park status in 1968.
"[2] British Army personnel decorations, promotions, and officer commissions are gazetted in the London Gazette, the "Official Newspaper of Record for the United Kingdom".