Sentence:  There is further significance in the transmission of cash and <WSD>trousseaux</WSD>. To begin with, they appear in inverse proportion to each other across time, for example <WSD>trousseaux</WSD> appear more important in the eighteenth century, whereas by the 1830s they had declined in favour of cash endowments. 
Meaning of the word marked with <WSD> tags:  The clothes and linen, etc., that a bride collects for her wedding and married life.