C19: New Latin, from glosso- + Greek lalein to speak, babble
glossolalia in American English
(ˌglɑsoʊˈleɪliə; ˌ glɔsoʊˈleɪliə)
noun
1.
ecstatic or apparently ecstatic utterance of usually unintelligible speechlike sounds, as in a religious assembly, viewed by some as a manifestation of deep religious experience
2.
gift of tongues
Word origin
ModL < glosso- (see glosso-) + Gr lalia, a speaking < lalein, to speak, prattle, of echoic orig.