The correct spelling is actually "utmost" and not "more upmost". Utmost means the highest or greatest degree of something. The pronunciation is /ˈʌtmoʊst/ with stress on the first syllable. The first sound is an /ʌ/ as in "cup" and is followed by a /t/ sound. The next syllable is pronounced with a long /o/ sound as in "toast" and ends with /st/ sound. It is important to pay attention to the correct spelling and pronunciation of words to avoid confusion and misinterpretation.
The term "more upmost" is a combination of two words: "more" and "upmost". However, it is important to note that "more upmost" is not a commonly used phrase in English.
The word "more" dates back to Old English and is derived from the Germanic language family. It originally meant "greater in amount, size, or degree" and was used to compare things. Over time, it has evolved to hold various meanings and functions in English.
On the other hand, "upmost" is a combination of "up" and "-most". The prefix "up" indicates a vertical or higher position. "-Most" is a suffix that signifies the superlative degree, meaning it signifies the highest or furthest position. Therefore, "upmost" combines the two to imply the highest or topmost position or degree.