What's the sign of the infinitive that most geniuses failed to answer?

Answer 1

I really must be a genius, because I really have no idea what your question means! I know what the sign of the infinitive is; are you asking if I know the name for that sign? I can't find anything which calls it anything other than the infinitive sign.

Or, let me try this again, since I can take several meanings from what you have said. Are you looking for the word "to", as in to talk, to play, to read, etc.?

Answer 2

Are you by chance thinking of the "Infinity sign?" - the symbol that looks like a Mobius strip? If so it could be "Aleph" or "Lemniscate."