The spelling of the phrase "most abed" is straightforward when broken down phonetically. "Most" is pronounced /moʊst/ with the long o sound and the st consonant blend at the end. "Abed" is pronounced /əˈbɛd/ with a schwa sound in the first syllable and the "bed" vowel sound in the second syllable. Overall, the phrase means "most likely asleep in bed." Proper pronunciation and spelling of this phrase can help avoid confusion and ensure clear communication.
The term "most abed" does not have a specific etymology as it is not a commonly used word or phrase. "Most" is an adverb that expresses a degree of something, while "abed" is an adverb that means being in or going to bed. If used together, "most abed" would convey the idea of being in bed to a significant degree. However, it is worth noting that "most abed" is not a widely recognized or used term in English language, so it does not have a well-established source or etymology.