'achill' originates from Old English, specifically the word 'ācylle,' where 'ā-' meant 'intensely' and 'cylle' meant 'cold.'

'ācylle' transformed into the Middle English word 'achille,' and eventually became the modern English word 'achill.'

Initially, it meant 'intensely cold,' but over time it evolved into its current meaning of 'a state of being cold or a sensation of coldness.'