The kanji 掃掃 fundamentally means "to sweep" or "to clean". It implies the action of removing dirt, dust, or other unwanted substances from a surface using a broom or similar tool. It can also figuratively mean to clear away or eliminate something.

・On-yomi (音読み): ソウ ・Kun-yomi (訓読み): は（く） (haku)

⚫︎掃除（そうじ） Translation: Cleaning; to clean ⚫︎掃き掃除（はきそうじ） Translation: Sweeping; sweeping up ⚫︎清掃（せいそう） Translation: Cleaning; sanitation

The kanji 掃掃 is a phono-semantic compound (形声文字). The left side is the radical 手 (te), meaning "hand". The right side is 帚 (sou), which means "broom". The combination of "hand" and "broom" gives us the idea of using a broom in hand to sweep. This illustrates the action of cleaning or sweeping.