doyen
UK: ˈdɔɪ.ən | US: ˈdɔɪ.ən
n. the most senior or prominent member of a group, especially in a profession or field.
The word "doyen" originates from the Old French doyen, meaning "leader" or "dean," which itself derives from the Latin decanus (a leader of ten, from decem "ten"). Historically, it referred to a monastic or military leader overseeing ten others. Over time, it evolved to denote the most senior or respected figure in any group, retaining its connotation of authority and experience.
As the doyen of the literary circle, her opinions were highly valued.
The retired professor was regarded as the doyen of astrophysics.
The doyen of the orchestra led the rehearsal with precision.
In diplomatic circles, he was the doyen due to his decades of service.
The doyen of fashion designers set the trends for the industry.