doyen[do̵i′ən, -en′; dwä yen′]
the senior member of a group, esp. one regarded as an authority because of superior knowledge and long experience
Origin of doyenFr: see dean
A man who is the eldest or senior member of a group.
Origin of doyenProbably French, from Old French doien, from Late Latin decānus, chief of ten; see dean.