'to-do' originates from the phrase 'to do,' where 'to' is a preposition and 'do' is a verb meaning 'to perform or execute.'

'to do' transformed into the noun 'to-do' to describe a fuss or a list of tasks.

Initially, it meant 'to perform or execute,' but over time it evolved into its current meaning of 'a commotion or a list of tasks.'