The word "most velour" is spelled using the International Phonetic Alphabet (IPA) as /moʊst ˈvɛlər/. The first part, "most," is pronounced with a long "o" sound and a soft "s" sound at the end. The second part, "velour," is pronounced with the stress on the first syllable, a soft "v" sound, and a short "e" sound followed by the letter "o". Velour is a type of fabric with a soft and plush feel, often used for clothing and upholstery.
I’m sorry, but it seems like there might be a mistake in the term you provided. "Most velour" does not have an established etymology because it is not a recognized phrase or term. Velour is a type of fabric known for its softness and plush texture, while "most" is a superlative adjective indicating the highest degree of something. However, "most velour" alone does not have a specific meaning or origin. If there's a different term or phrase you would like to know the etymology of, please feel free to provide that and I'll be glad to assist you.