'skillfully-applied' originates from the combination of 'skillful' and 'apply', where 'skillful' means 'having or showing skill' and 'apply' means 'to put to use'.

'skillful' changed from the Old English word 'sceolful', and 'apply' from the Latin word 'applicare', eventually forming the modern English term 'skillfully-applied'.

Initially, 'skillful' meant 'full of skill', and 'apply' meant 'to attach or join', evolving into the current meaning of 'executed with skill and precision'.