Sentence:  There is sunshine in the face of all—a kind of <WSD>Indian summer</WSD> sunshine, infused with the sadness of a coming winter; and theirs is the winter of parting. 
Meaning of the word marked with <WSD> tags:  A stretch of sunny and warm, often hazy, days during late autumn. (from late 18th c., popularized in the early 19th c.)<ref>Matthews (February 1902), page 73.</ref>