Why do we park on driveways but drive on parkways?
Before they invented drawing boards, what did they go back to?
If you choke a Smurf, what color will it turn?
Why is the man who invests all your money called a broker?
Why do they call it "getting your dog fixed," when afterward, it doesn't work anymore?
You drive on driveways. You don't just magically teleport your car onto it. Parkways are so called because there is landscaping on the median or along the sides of the highway, thus it is a way through a park. It is also used for roads in actual parks.
Sand tables.
Purple.
The word "broker" derives from Old French broceur "small trader", of uncertain origin, but possibly from Old French brocheor meaning "wine retailer", which comes from the verb brochier, or "to broach (a keg)". Either way it makes sense for one who makes deals to use a word that literally means "make deals".
Fixing your dog refers to the problem of breeding. Dog's genitals are made to not work, so problem is fixed.
These questions all have answers.