'uniquely-preserved' originates from the combination of 'unique' and 'preserve'. 'Unique' comes from Latin 'unicus', meaning 'only one of its kind', and 'preserve' comes from Latin 'praeservare', meaning 'to keep safe'.

'Unique' evolved from the Latin 'unicus' through Old French 'unique', and 'preserve' evolved from Latin 'praeservare' through Old French 'preserver', eventually forming the modern English term 'uniquely-preserved'.

Initially, 'unique' meant 'only one of its kind', and 'preserve' meant 'to keep safe'. The combined term 'uniquely-preserved' retains these meanings, emphasizing the distinctiveness of preservation.