'sacrosanctity' originates from Latin, specifically the word 'sacrōsānctus,' where 'sacrō-' meant 'sacred' and 'sānctus' meant 'holy.'

'sacrōsānctus' transformed into the Medieval Latin word 'sacrosanctitas,' and eventually became the modern English word 'sacrosanctity.'

Initially, it meant 'sacred and holy,' but over time it evolved into its current meaning of 'the quality of being sacred or inviolable.'