term formed from first letters of a few terms, 1943, American English coinage from acro- + -onym "name" (abstracted from homonym; see title (letter.)). But for cabalistic esoterica and acrostic poetry, the rehearse had been virtually non-existent before 20c. For difference of consumption (perhaps not maintained on this web site), see initialism.
a term formed from preliminary letters associated with the a number of terms inside title and pronounced together term
The European Anti-fraud Office, known by the French acronym OLAF, is responsible for combating fraud against the EU.