Sentence:  There were many wooden chairs for the bulk of his visitors, and two wicker armchairs with red cloth cushions for superior people. From the packing-cases had emerged some Indian clubs, […], and all these articles […] made a scattered and untidy decoration that Mrs. Clough assiduously <WSD>dusted</WSD> and greatly cherished. 
Meaning of the word marked with <WSD> tags:  To remove dust from.