The correct spelling of the phrase "most quickfix" is actually "most quick fix." The sound /kwɪk/ is spelled with a "c" followed by a "k" to indicate the hard "k" sound after the "q". Furthermore, the two words "quick" and "fix" are separated by a space as they function as separate words indicating the degree of urgency or expedience required for a solution to a problem. Hence, careful attention to spelling is important to ensure clear communication.
The term "most quickfix" does not have a clear etymology as it is not commonly used or recognized as a standard phrase in the English language. It appears to be a combination of two words, "most" which is a superlative adverb indicating the highest degree, and "quickfix" which is a compound noun that refers to a temporary or makeshift solution to a problem. However, it is possible that "most quickfix" is a personal or regional variation of the phrase "quick fix" which means a hasty solution that provides instant but temporary results.