nonlinguistic

adjective

1. of or belonging to language: linguistic change.
2. of or relating to linguistics.

adjective

1. of or relating to language
2. of or relating to linguistics

adj.1856, from French linguistique (1833); see linguist + -ic. The use of linguistic to mean “of or pertaining to language or languages” is “hardly justifiable etymologically,” according to OED, but “has arisen because lingual suggests irrelevant associations.” Related: linguistically.