For quotations of use of this term, see Citations:El Cid.
From Spanish el + Cid, from the dialectal Arab word سيد (sïdi or sayyid, “lord, master”); thus "El Cid" means "The Lord". The title Campeador is a word from Vulgar Latin that can be translated as "champion" or "master of military arts".
- Nickname of Rodrigo (or Ruy) Díaz de Vivar (born circa 1040, Vivar, near Burgos – 10 July 1099, Valencia)
- Spanish epic poem Cantar de Mio Cid.