QUESTION: What classic story do the words “Lilliputian” and “Brobdingnagian” originate from?

ANSWER: Gulliver’s Travels, by Jonathan Swift.

Lilliputian, which means, “very small,” comes from a locality in the tome, Lilliput, where very tiny people lived. Brobdingnagian, which means, “very large,” comes from a geographic location in Gulliver’s Travels, Brobdingnag, where giants resided.

[Source: The Grammar Bible]