LATIN DICTIONARYLexicon Latīnum
English → Latin

“internal” in Latin

The English word internal itself goes back to Latin internus, through internālis.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

internal
interior (opposed to exterior) intestinus (going on in the interior of a country; opposed to externus: ☞ internus, post- Augustan, Tac.): domesticus (happening at home, in its narrower or wider sense; opposed to abroad, foris). (The words are found in this connection and order.) intestinus ac domesticus: intus inclusus (enclosed within our walls; e.g., periculum, of danger from our fellow-citizens). Peace abroad is immediately followed by internal discords, paci externae continuatur discordia domi. [Vid: CIVIL (war, etc.).] An internal malady, malum, quod haeret in visceribus (PROP., of the body; or figuratively, of the body politic). Internal evils (in a state), mala intestina, or intestina ac domestica: internal enemies, hostes qui intus sunt (after Cic.): the internal parts of the body, ea quae sunt intus in corpore: internal tranquillity, animi tranquillitas.

Quick answer

What is the Latin word for internal?
The usual Latin words for “internal” are domesticus, interior, intestīnus; also forum, perīculum, malus. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.