The phrase "most unended" includes the sounds /m/ /əʊ/ /st/ /ʌn/ /ɛndɪd/. The first sound, /m/, is made with the lips closed and the voice on. The second sound, /əʊ/, requires the lips to start round and the tongue to be in the back of the mouth. The third sound, /st/, is made with the lips pressing together for the /s/ and the tongue touching the top of the mouth for the /t/. Finally, the last two sounds, /ʌn/ and /ɛndɪd/, require an open throat and the tongue in the middle of the mouth.
The word "most unended" does not have an established etymology as it is not a commonly used or recognized term in the English language. It may be a combination of the words "most" and "unended", both of which have distinct origins.
"Most" is derived from the Old English word "mǣst", which means "greatest" or "greatest number". It can also be traced back to the Proto-Germanic word "*maistaz" and the Proto-Indo-European word "*méǵh₂s" meaning "great".
On the other hand, "unended" is formed by adding the prefix "un-" (meaning "not" or "opposite") to the word "ended", which comes from the Old English word "endian", meaning "to finish" or "to come to a close".