Why do they call a restroom a restroom?

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Tags

1. #originally
2. #repose
3. #found
4. #refreshing
5. #origin
6. #restroom
7. #vaguest
8. #probably
9. #earliest
10. #usage
11. #common
12. #number
13. #around
14. #toilet
15. #public
16. #american
17. #oneself
18. #meanings
19. #usages
20. #seems
21. #meaning
22. #extremely
23. #sense
24. #course