EER

energy efficiency ratio

    1. a person or thing that has to do with: auctioneer, mountaineer
    2. a person who writes, makes, etc.: sometimes used derogatorily: pamphleteer, profiteer
  1. to have to do with: electioneer

Origin: Fr -ier < L -arius

See EER in American Heritage Dictionary 4

suffix
One associated with, concerned with, or engaged in: balladeer.

Origin:

Origin: French -ier

Origin: , from Old French

Origin: , from Latin -ārius, -ary

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