'tastefully-displayed' is a compound formed from 'tastefully' and 'displayed.' 'Tastefully' comes from 'tasteful' + '-ly,' and 'displayed' is the past participle of 'display.'

'Tastefully' comes from 'tasteful,' which originated in the 18th century from 'taste' (meaning discernment in aesthetic matters) + '-ful.' 'Display' comes from Old French 'despleier,' from Latin 'displicare.'

Initially, 'tastefully-displayed' would have meant 'displayed with good taste,' and this meaning has remained consistent.