Sorry, no definitions found.
Sorry, no etymologies found.
Researchers call this form of tongue-speaking xenolalia or xenoglossia; but over the years, as linguists disproved such claims, belief in xenolalia died out.
The use of genuine foreign languages is called xenoglossia.
Unlike Christ’s apostles at Pentecost, we weren’t instantly blessed with xenoglossia or glossolalia, the ability to speak languages other than your own instantly or to speak in a heavenly tongue.