connoisseur
‘a critical judge’
Lexical development traced from the Tamil root:
F. connoisseur < Mod.F. connaiseur < O.F. conoisseor ‘an expert, a judge, one well-versed’ < conoistre ‘to know’ < Lat. cognoscere ‘to get to know, recognize, become well-acquainted with’ < com ‘with, together’ + gnoscere ‘recognize’ < kawn < gno- < Tamil kaṇ