English
internable
From intern + -able.
Formed from intern + -able
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
adj Able to be interned.
Language periods are conventional ranges, not dates for this word.
Etymograph / internable