mercassim

• (Classical Latin) IPA^(key): [mɛrˈkaːs.sĩː]
• (modern Italianate Ecclesiastical) IPA^(key): [merˈkas.sim]

mercāssim

1. (Old Latin) first-person singular sigmatic aorist active subjunctive of mercō

• The sigmatic aorist tense is attested in Old Latin writings; mostly notably those of Plautus and Terence. It expresses a possible desire ("might want to").