The word "Marmose" is spelled as /mɑːməʊs/ in IPA phonetic transcription. The pronunciation of this word is similar to "mar-mohs". The first syllable is pronounced with an open back unrounded vowel 'a' as in "ahh", while the second syllable uses a schwa vowel 'ə' and is pronounced as a very short unstressed sound. The ending 'ose' uses a long 'o' sound followed by the 's' sound. This spelling reflects the word's Greek origins, as "marmos" means "marble" in Greek.
An animal resembling the opossum, but less in size.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.