Where did the word intern come from?

What countries in the Middle East are autocratic? How was Russian impacted more dramatically by world war 1 than western European countries were? What was Germany's plan on to win world war 1? Who had controlling authority in colonial families? What was the most daunting challenge of Charlemagnes reign of power? Which country invented the waffle? What is a Duchie? What is the birth name of Archduke Franz Ferdinand? How did Cleopatra's accomplishments affect the world? What were the Parliamentary actions that brought social and political power to the middle and lower classes of English society in the 19th century? Why is the British Pound called a Quid? Who were the boers and whom did they fight? What is motavation? Who invented note cards? Who was Louis Kossuth? What impact has Cleopatra have on the world? What were a major effect of European imerialism in Africa? Who was the captian of the godspeed? Who werr the World War 2 totalitarianism leaders and there countries? Why did the indentured servants come to the new world?

Where did the word intern come from?