The word 'thoughtfully-organized' is a compound formed from 'thoughtfully' and 'organized.' 'Thoughtfully' comes from 'thoughtful,' meaning 'full of thought or consideration,' and 'organized' is the past participle of 'organize,' meaning 'to arrange systematically.'

'Thoughtful' comes from Old English 'þōht' (thought) + '-ful,' and 'organize' comes from French 'organiser,' from Medieval Latin 'organizare.' The compound 'thoughtfully-organized' is a modern English formation.

Initially, the components meant 'full of thought' and 'arranged,' but together, they evolved to mean 'arranged with careful consideration.'