polyglottal
Polyglottal is an adjective relating to the use, presence, or competence in multiple languages. Derived from Greek roots poly- (many) and glōtta (tongue), it conveys much the same idea as adjectives such as multilingual or polyglot, and may describe people, texts, communities, or settings in which several languages are used.
In usage, polyglottal can modify human abilities (a polyglottal speaker), artifacts (a polyglottal edition of a
Fields of application include language education and acquisition, where it may describe pedagogical materials or learners
Style and usage notes: because polyglottal is relatively uncommon, many writers prefer the clearer and more