Brokerage

google

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Middle English (denoting a retailer or pedlar): from Anglo-Norman French brocour, of unknown ultimate origin.

wiktionary

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broker +‎  -age

etymonline

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brokerage (n.)

mid-15c., "a broker's trade," from broker (n.) + -age. Also, in 17c., "a pimp's trade." From 1620s as "fee or commission charged for doing business as a broker."