> The command-line tool is called jj for now because it's easy to type and easy to replace (rare in English). The project is called "Jujutsu" because it matches "jj".
Standard Japanese pronunciation for "jutsu" does not contain an i, and it's also judo not "jiu-do" that the old system would have called for.
https://en.wikipedia.org/wiki/Jujutsu#Etymology
> The command-line tool is called jj for now because it's easy to type and easy to replace (rare in English). The project is called "Jujutsu" because it matches "jj".