'unskillfully-applied' is a compound word formed from 'unskillfully' and 'applied.' 'Unskillfully' comes from 'un-' (not) + 'skillful' (having skill), and 'applied' is the past participle of 'apply.'

'Unskillfully-applied' is a modern English compound, created by combining the adverb 'unskillfully' with the past participle 'applied.'

Initially, it simply described something applied without skill, and this meaning remains unchanged in modern usage.