The word "soupeon" is a French loanword that means a small amount or a hint. Its spelling can be a bit tricky for English speakers due to the French influence, but it's pronounced as soo-pahn. In IPA phonetic transcription, it is written as /suːpɑ̃/. The "sou" is pronounced like "soo" with a long "u" sound, and "peon" is pronounced like "pahn" with a nasal "ã" sound. Keep in mind that the stress falls on the last syllable.