The spelling of the word "most invade" can be confusing because of the different pronunciations of the letter "o" in English. In this case, "most" is pronounced with a long "o" sound, as in "boat" (məʊst), while "invade" is pronounced with a short "o" sound, as in "dog" (ɪnˈveɪd). The combination of these two sounds can create confusion for non-native English speakers, but with practice, the correct pronunciation can be achieved.
The phrase "most invade" is not a common word or phrase in the English language. It does not have a clear etymology because it is not widely used or recognized. It appears to be a combination of the word "most" (meaning majority or greatest in amount or degree) and "invade" (meaning to enter forcefully or aggressively). However, the specific context or usage of this phrase is not readily apparent, making it difficult to determine its origin or etymology.