The spelling of the word "most invig" is not correct. There is no such word in English. However, if we break down the intended meaning and try to spell it out phonetically using IPA transcription, we might arrive at something like /moʊst ɪnˈvɪɡərɪŋ/, which would suggest the intended meaning is something like "most invigorating". It's important to remember that proper spelling is crucial for clear and effective communication, and using non-words can cause confusion and misunderstandings.