intern

Etymology 1

From French interner, from interne (“inner, internal”), from Latin internus (“within, internal”), compare Etymology 2.

noun

1. A person who is interned, forcibly or voluntarily.

verb

1. (transitive) To imprison somebody, usually without trial.
   The US government interned thousands of Japanese-Americans during World War II.
   That description was of a camp at the Tanforan Racetrack near San Francisco, one of several centers in California where Japanese and Japanese-American residents (Issei and Nisei) were held before being interned in areas remote from the West Coast. 1989-10-15, Vivien Raynor, “Interned Artists, Devoid of Grievance”, in The New York Times, →ISSN
   1. (of a state, especially a neutral state) To confine or hold (foreign military personnel who stray into the state's territory) within prescribed limits during wartime.
      The Swiss government interned the Italian soldiers who had strayed onto Swiss territory.
2. (transitive, programming) To internalize.
   Strings are automatically interned if they are assigned to a literal string within code. 2004, Mark Schmidt, Simon Robinson, Microsoft Visual C# .NET 2003 Developer's Cookbook, page 81

adj

1. (archaic) Internal.

Etymology 2

From French interne (“inner, internal”), from Latin internus (“within, internal”), from inter (“between”); compare etymology 1.

noun

1. A student or recent graduate who works in order to gain experience in their chosen field.
   Students know that working as an intern can provide contacts and all-important experience in their chosen fields. And last year, 26 percent of graduates hired by companies had worked as interns, compared with 9 percent the year before. 1994-11-06, William Goss, “Interning For Pleasure And Profit”, in The New York Times, →ISSN
2. A medical student or recent graduate working in a hospital as a final part of medical training.

verb

1. (intransitive) To work as an intern. Usually with little or no pay or other legal prerogatives of employment, for the purpose of furthering a program of education.
   I'll be interning at Universal Studios this summer.