The chances of her actually figuring it out on her own are slim. But she recognizes what he's saying, at least!

Nou is the name of her brother's wife. Maybe he was looking for her brother's wife. She looks around, as if expecting to see the dark kimono her sister-in-law had always favoured. When she doesn't, she gently takes his hand in hers, "Ichi...Ichi will help you find Nou."