The term 'LAST OF A LATIN TRIO' can be solved by the crossword solutions VICI and AMAT. VICI is a Latin phrase meaning 'I have conquered' and is often attributed to Julius Caesar after his victory in the Battle of Zela in 47 BC. AMAT is a Latin phrase meaning 'she loves' and is often used in literature to express strong emotion. Together, these two phrases form the phrase 'Vici Amat, ' which translates to 'She loves the conqueror, ' making VICI and AMAT the last of a Latin trio.