What does Boxing Day have to do with boxing?
type of citrus tree, also its fruit, both similar to bitter orange, and the essence prepared from the oil of the rind of the fruit, 1690s, from French bergamote (17c.), from Italian bergamotta, named for Bergamo, town in Italy. The name is Roman Bergamum, from a Celtic or Ligurian berg "mountain," cognate with the identical Germanic word.
Earlier (1610s) as a kind of pear deemed especially luscious, in this sense ultimately a Romanic folk-etymologization from Turkish beg-armudi "prince's pear" or "prince of pears," influenced in form by the other word, but probably not from it (the town is on the opposite end of the peninsula from where the pear grows). Also used of garden plants of the mint order with a smell like that of oil of bergamot.