'hassock' originates from Old English, specifically the word 'hassuc,' where 'hassuc' meant 'a clump of grass or a small hillock.'

'hassuc' transformed into the Middle English word 'hassok,' and eventually became the modern English word 'hassock.'

Initially, it meant 'a clump of grass or a small hillock,' but over time it evolved to also mean 'a thick cushion used as a footstool.'