The correct spelling of the word "most edging" is /məʊst ˈɛdʒɪŋ/. The first syllable, "most," is pronounced with a long "o" sound, followed by a schwa sound. The second syllable, "edging," is pronounced with a short "e" sound, followed by a "j" sound and then "ing." The word refers to something that is almost, but not quite, on the edge or brink of something. It is important to spell words correctly in order to effectively communicate with others.