'twirler' originates from the verb 'twirl', which comes from Middle English 'twirlen', a frequentative form of 'twirl'.

'twirlen' transformed into the modern English word 'twirl', and 'twirler' was derived as a noun form.

Initially, 'twirl' meant 'to spin or rotate', and 'twirler' has maintained this meaning as someone who performs the action.