Cadillac
来自Big Physics
from the name of the French explorer Antoine de La Mothe Cadillac (1658–1730), who founded the city of Detroit, where the cars are manufactured.
wiktionary
From French Cadillac, from Occitan Cadilhac. Most places or objects named Cadillac are named for Antoine Laumet de La Mothe, sieur de Cadillac, a French explorer who founded the eponymous city in Maine and later the city of Detroit, Michigan.
etymonline
Cadillac (n.)
type of luxury automobile made by the Cadillac Automobile Company, established in 1902 by Detroit engine-maker Henry Martyn Leland and named for Antoine de la Mothe Cadillac (1658-1730), French minor aristocrat and colonial governor who founded Detroit in 1701. The company was purchased by General Motors in 1909.