The correct spelling of the word "more burntout" is /mɔːr ˈbɜːntaʊt/. It is a combination of the word "more," meaning a greater amount or extent, and the adjective "burntout," which refers to a state of exhaustion or emotional exhaustion. The addition of the suffix "-ed" and the word "more" indicates an increased level of burnout. This word is often used to describe those who are experiencing extreme stress or fatigue due to work or personal circumstances.
The word "burntout" is not a standard word or recognized term in the English language. However, it appears to be a compound formed by adding the prefix "burn-" to the adjective "out". "Burn-" likely derives from the noun "burn", which refers to damage caused by fire or intense heat. In this context, it takes on a metaphorical sense suggesting exhaustion or depletion. The suffix "-out" is added to indicate a state of being depleted or worn out. Together, the term "burntout" seems to indicate a state of extreme exhaustion or tiredness, suggesting that one has been "burned out" metaphorically due to excessive stress or strain.