this article lead me to Wikipedia articles for Etruscan and Rongorongo which then led me to the article for language isolate
https://en.wikipedia.org/wiki/Language_isolate
fascinating
@packetcat yeah linguists love talking about that one; it was a rare instance where actual linguists were purresent at the time to observe the emergence of an entirely new language
@packetcat the linguists were brought in to teach some stubborn kids an existing sign language and were delighted when they realized the kids were just coming up with one of their own instead