re|mu|da

re|mu|da «Spanish ray MOO thah; Anglicized rih MYOO duh», noun.

the saddle horses of a ranch, from which the cowboys choose their mounts for the day: »

At night, it would make the wearer invisible, so he could steal horses from the best guarded remuda (Harper's).

╂[American English < American Spanish remuda spare horse < re- again + mudar to change < Latin mūtāre]