Other

• a prefix
  Prefix
  A prefix is an affix which is placed before the root of a word. Particularly in the study of languages,a prefix is also called a preformative, because it alters the form of the words to which it is affixed.Examples of prefixes:...
  
   meaning Portuguese (after the Roman province of Lusitania
  Lusitania
  Lusitania or Hispania Lusitania was an ancient Roman province including approximately all of modern Portugal south of the Douro river and part of modern Spain . It was named after the Lusitani or Lusitanian people...
  
  , roughly corresponding to modern Portugal
  Portugal
  Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...
  
  ).
• Historical, legal, geographical, and political writing to refer to those countries that have a significant Portuguese influence in language and Portuguese cultural heritage.
• a term used to describe a person of Portuguese heritage, origin, or ethnicity.
• Águas do Luso, one of the largest Portuguese companies of mineral water
  Mineral water
  Mineral water is water containing minerals or other dissolved substances that alter its taste or give it therapeutic value, generally obtained from a naturally occurring mineral spring or source. Dissolved substances in the water may include various salts and sulfur compounds...
  
  .
• the protagonist and main character in Final Fantasy Tactics A2: Grimoire of the Rift
  Final Fantasy Tactics A2: Grimoire of the Rift
  is a tactical role-playing game developed and published by Square Enix for the Nintendo DS handheld game console.Grimoire of the Rift is the sequel to Final Fantasy Tactics Advance as well as an iteration in the Ivalice Alliance.- Gameplay :...
  
  .