Our usage doubled during the hurricane.

Deaths from malaria have doubled over the last 20 years,

In trouble to be troubled Is to have your trouble doubled

This is an ongoing usage.

They came out and they zoned up and they trapped and they doubled, and we just continued to move the ball. It took me three quarters to kind of get the rhythm down on what they were trying to do defensively so I could go into attack mode in the fourth quarter, where I was able to start attacking the basket a little bit and get something going.

With the usage of etc, Britishers had a nice, convenient and easy way of leaving meanings, sentences and things incomplete.