Quote Originally Posted by Post View Post
Mob has existed since well before 2004 WoW, since it was commonly used there and those players were mixed in with folks coming from other well established MMOs like Ultima, DaoC or EverQuest. It's before your time and before my time, whatever its etymology.
Correct

"Mob" is short for Mobile Object, as in objects that were self mobile first used in the 1978 computer game M.U.D (later called MUD1) aka Multi-User Dungeon, a text based MORPG
https://en.wikipedia.org/wiki/MUD1