清掃

1. Origins, structure, and basic meaning

• Structure: The spelling is 清掃, read せいそう, and it combines 清, meaning clean, with 掃, meaning sweep.
• Basic usage: 清掃 means cleaning performed to remove dirt, contamination, or litter from a place.

2. Common pitfalls and similar expressions

• Routine work and a community environmental activity
  • Both examples use the form 清掃. It can be regular work inside a shop before opening or a riverbank cleanup in which local residents participate.
• Shop maintenance before opening and residents cleaning a riverbank
  • 開店前に店内を清掃する。 — We clean the inside of the shop before opening.
  • 地域の人々が川岸の清掃に参加した。 — Local residents took part in a riverbank cleanup.