deichniúr

Etymology
From, , from.

Noun

 * 1) a group of ten people
 * 2) decade series of ten Hail Marys in the Rosary
 * 1) decade series of ten Hail Marys in the Rosary

Usage notes

 * Generally used with the genitive plural when referring to human beings; also sometimes used with other nouns, especially if the things they denote are being personified.