- come by something
- come by something1. Lit. to travel by a specific means, such as a plane, a boat, or a car. •
We came by train. It's more relaxing.
•Next time, we'll come by plane. It's faster.
2. Fig. to find or get something. •How did you come by that haircut?
•Where did you come by that new shirt?
Dictionary of American idioms. 2013.