The supposed fortune of the count had dwindled to a mere nothing, although he had given almost irrefutable evidence of its existence to Lizabetha Prokofievna and Prince S. Besides this, before they had been married half a year, the count and his friend the priest managed to bring about a quarrel between Aglaya and her family, so that it was now several months since they had seen her.
There are no more uses of "dwindle" in the book.
Show samples from other sources
Her savings dwindled down
I started the diet with good intentions, but my resolution dwindled over time.