idiomista
An idiomista is a term used in some linguistic contexts to refer to a scholar or specialist who studies idioms and idiomatic expressions. The word combines "idiom" with the suffix "-ista," indicating a practitioner or expert, and is used primarily in Spanish- and Italian-language scholarly writing. In English-language linguistics, the more common term is idiomist or idiomologist, but idiomista appears in cross-language discussions of phraseology.
Idiomatists analyze the structure, meaning, and origin of idioms, fixed expressions whose overall meaning cannot be