Is it farther or further?
mid-14c., "authority entrusted to someone," from Latin commissionem (nominative commissio) "delegation of business," noun of action from past participle stem of committere (see commit). Meaning "body of persons charged with authority" is from late 15c.
1660s, from commission (n.). Related: Commissioned; commissioning.
A fee paid to a broker or other financial agent for negotiating a sale. The fee is based on a percentage of the sale price.