fessissimum

== Latin == === Pronunciation === (Classical Latin) IPA(key): [fɛsˈsɪs.sɪ.mũː] (modern Italianate Ecclesiastical) IPA(key): [fesˈsis.si.mum] === Adjective === fessissimum inflection of fessissimus: nominative/accusative/vocative neuter singular accusative masculine singular