The word "quadfecta" is not commonly used in English, but its spelling can be explained through the International Phonetic Alphabet (IPA) transcription. The word is pronounced /kwɒdˈfektə/ and is spelled with a "quad", meaning "four", and "fecta", derived from "perfecta", meaning a bet on the first and second place finishers in a horse race. Therefore, "quadfecta" would refer to a bet on the first four finishers in a horse race. Though not a commonly used term, it is helpful to understand how its spelling came about.
The word "quadfecta" is not widely recognized or included in most English dictionaries, so it does not have a standardized etymology. However, it seems to be a play on words combining elements of two separate terms: "quadruple" and "perfecta".
1. "Quadruple" comes from the Latin word "quadruplus", which means "fourfold" or "four times". The Latin term is derived from the combination of "quattuor" (meaning "four") and "plus" (meaning "more"). In English, the term "quadruple" refers to something that is four times the size, amount, or intensity.
2. "Perfecta" is a term used in horse racing and other betting contexts. It originated from the Spanish word "perfecto", meaning "perfect".