'aldermanate' originates from Old English, specifically the word 'aldormann,' where 'aldor' meant 'elder' and 'mann' meant 'man.'

'aldormann' transformed into the Middle English word 'alderman,' and eventually became the modern English word 'aldermanate.'

Initially, it meant 'elder man or chief,' but over time it evolved into its current meaning of 'the office or position of an alderman.'