I’m engaged in an argument with a friend about the love/zero score in tennis. Cecil’s addressed this in “Why is tennis scoring so weird?”, but my friend won’t accept this argument without more “authoritative” proof. (He’s found a few sites that give the “l’oeuf”/egg/zero explanation.) Is there any way to find the original source Cecil used to prove that “love” comes from “the love of the game” instead of “l’oeuf”?
Thank you.