'immaculately-maintained' originates from the Latin word 'immaculatus,' where 'in-' meant 'not' and 'maculatus' meant 'spotted or stained.'

'immaculatus' transformed into the English word 'immaculate,' and eventually combined with 'maintained' to form the modern English phrase 'immaculately-maintained.'

Initially, 'immaculate' meant 'without stain,' but over time it evolved to mean 'perfectly clean or flawless.'