Nivôse was the fourth month in the French Republican Calendar. The month was named after the Latin word nivosus 'snowy'.
Nivôse
The French Republican calendar, also commonly called the French Revolutionary calendar, was a calendar created and implemented during the French Revolution and used by the French government for about
French Republican Calendar of An III (1794 to 1795), drawn by Philibert-Louis Debucourt
A copy of the French Republican Calendar in the Historical Museum of Lausanne
L AN 2 DE LA REPUBLIQUE FR (Year 2 of the French Republic) on a barn near Geneva, dating to 1793 or 1794
French Revolutionary pocket watch showing ten-day décade names and thirty-day month numbers from the Republican Calendar, but with duodecimal time. On display at the Musée d'Art et d'Histoire (Neuchâtel) In Switzerland.