IPA: //dʌˈbɒneɪ//
KK: /dʌˈbɒnɛt/
A type of apéritif that is a sweet, red wine flavored with herbs and spices, often served chilled.
She enjoyed a glass of Dubonnet before dinner.
Dubonnet is derived from the name of its creator, Joseph Dubonnet, who developed the drink in the 19th century. The term itself does not have a Latin or Greek root but is a proper noun that has become a common name for the fortified wine-based aperitif.
Think of Joseph Dubonnet, the person who created this drink, to remember that Dubonnet refers to the aperitif named after him.