Noun
xenoglossia (uncountable)
Synonym of xenoglossy (“knowledge of a language one has never learned”).
Parham and his early followers believed that speaking in tongues was xenoglossia, and some followers traveled to foreign countries and tried to use the gift to share the Gospel with non-English-speaking people. Source: Internet
It is neither xenoglossia nor miraculous, but rather learned behavior, possibly self-induced. Source: Internet
These believe that what the New Testament described as "speaking in tongues" was xenoglossia, a miraculous spiritual gift through which the speaker could communicate in natural languages not previously studied. Source: Internet