Final answer:
The word 'repasse' means 'to iron' in French.
Step-by-step explanation:
The underlined word in the sentence 'Viviane repasse sa robe bleue' means to iron. In French, 'repasser' specifically refers to the action of ironing clothes. It is derived from the prefix 're-' meaning 'again' and the verb 'passer' meaning 'to pass'. So, 'repasser' literally translates to 'to pass again', which is how ironing is done on clothes, passing the iron over them again and again to remove wrinkles.
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