- to-do (n.)
[to-do 词源字典]
- 1570s, from the verb phrase to do, from Old English to don "proper or necessary to be done" (see to + do). Meaning "disturbance, fuss" is first recorded 1827. Similar formation in French affaire, from à "to" + faire "do."[to-do etymology, to-do origin, 英语词源]