chesterfield · noun1
From Chesterfield. Named after Philip Stanhope, 4th Earl of Chesterfield (1694–1773), who commissioned the first such couch.
Chesterfield · noun2
In reference to Lord Chesterfield, author of Principles of Politeness and of Knowing the World, 1786.
Etymology from Wiktionary, CC BY-SA 4.0.