The Question and Answer section for Around the World in 80 Days is a great resource to ask questions, find answers, and discuss the novel.
That would be the "yen".
From the text:
"Yes," returned Sir Francis, "burned alive. And, if she were not, you cannot conceive what treatment she would be obliged to submit to from her relatives. They would shave off her hair, feed her on a scanty allowance of rice, treat...
What passage are you referring to?