'outdatedly-finished' is a compound word formed from 'outdatedly' and 'finished'. 'Outdatedly' originates from 'outdated', which comes from 'out' and 'date', meaning 'no longer in use'. 'Finished' comes from the Old French 'finiss-', meaning 'to end or complete'.

'Outdatedly' evolved from 'outdated', which was first used in the 19th century. 'Finished' has been in use since the Middle English period, derived from the Old French 'finiss-'.

Initially, 'outdatedly' meant 'in a manner that is no longer current', and 'finished' meant 'completed'. Together, they describe something completed in an outdated manner.