'adeptly-executed' originates from the combination of 'adeptly' and 'executed'. 'Adeptly' comes from the Latin word 'adeptus', meaning 'having attained'. 'Executed' comes from the Latin 'executus', meaning 'carried out'.

'adeptus' transformed into the English word 'adept', and 'executus' became 'execute' in English, eventually forming the compound adjective 'adeptly-executed'.

Initially, 'adeptly' meant 'skillfully', and 'executed' meant 'carried out'. Together, they have retained their meanings in the compound form.