auxlang
An auxlang, short for auxiliary language, is a constructed language designed to facilitate international communication as a common second language. It is distinct from natural languages and from artistic or fictional conlangs, being explicitly created to be learned and used for practical interlingual understanding.
Typical features of auxlangs include regular grammar, minimal irregularities, phonemic orthography, and vocabulary drawn from multiple
Notable examples and movements include Esperanto, the most successful auxlang, created by L. L. Zamenhof in
Today, auxlangs have a modest but persistent presence online and in language clubs. They are not adopted