connoisseur

Meanings

1. 1
   noun

   A specialist in a given field whose opinion is highly valued, especially in one of the fine arts or in matters of taste.

   beer connoisseur

2. 2
   noun

   an expert able to appreciate a field

Etymology

Around 1705–1715, from French connoisseur, from the verb connoître (obsolete pre-1835 spelling of connaître (“to know”)).