Actually according to Wikipedia: > ... the first known published use of the term in English [is] from 1940 That published use is as follows [1]: > Pee-gee-en

Actually according to Wikipedia: > ... the first known published use of the term in English [is] from 1940 That published use is as follows [1]: > Pee-gee-enn. It's an acronym [Ger. Akronym], that's what it is. That's what they call words made up of initials. In other words, the very first recorded use we have of the word "acronym" is actually what some people insist on calling an initialism. I don't know who, afterwards, decided that "acronym" had to mean that it had to be pronouncable, or why, but I didn't vote for them. [1] https://www.oed.com/view/Entry/1844 https://www.oed.com/view/Entry/1844