And it shall come to pass, when I bring clouds over the earth. (ibid. 11:1) The root of all seventy languages¹² of the world is the language of the Jewish people, which is the Holy Language, which is used above, before G‑d. Tzafnah Paneach, p. 75c

footnotes: ¹² The Sages use the term “seventy languages,” to refer to the seventy primary nation groups and their speech, as enumerated in the opening chapters of Genesis.