Dekade

Etymology
, from, from. In contemporary French is standard for “ten years, decade”.

Noun

 * 1)  decade ten years
 * 2)  ten days; a third of a month
 * 3)  decade set or series of ten units
 * 1)  ten days; a third of a month
 * 2)  decade set or series of ten units
 * 1)  decade set or series of ten units
 * 1)  decade set or series of ten units