Middle English: from Old French per (or par) auenture ‘by chance’.
“Peradventure I don’t want to go that way.”
Nothingburger (noun) (Chiefly US)
A person or thing of no importance, value, or substance. Now esp.: something which, contrary to expectations, turns out to be insignificant or unremarkable.
1950s: from nothing and burger. Added to the OED October 2018.