English
internship
From intern + -ship.
A compound of intern + -ship
Proto-Indo-European *h₁én ‘in’
…
Latin inter ‘between, among’
Latin internus ‘within, internal’
French interne ‘inner, internal’
French interner ‘to intern, to imprison’
English intern
Today it means
noun A job taken by a student in order to learn a profession or trade.
Language periods are conventional ranges, not dates for this word.
Etymograph / internship