A car manufactured by Peugeot.
"She decided to buy a new red Peugeot for her daily commute."
In plain English: A Peugeot is a brand of cars and motorcycles made by a French company.
"My uncle drives an old red Peugeot from the seventies."
A surname, from French.
"The famous automotive brand Peugeot was founded by a family bearing that distinguished French surname."
The word comes directly from the French surname Peugeot and was adopted into English as a brand name without changing its original meaning. It entered the language simply by being borrowed to refer to the well-known automobile manufacturer founded by that family.