 Final "-m" was dropped in Vulgar Latin.Even in Classical Latin, final "-am", "-em", "-um" (inflectional suffixes of the accusative case) were often elided in poetic meter, suggesting the "m" was weakly pronounced, probably marking the nasalisation of the vowel before it.This nasal vowel lost its nasalization in the Romance languages except in monosyllables, where it became e.g.