Why do we say from scratch?

Related questions

1. What does hammer out mean?
2. What is a scathing attack?
3. Can I bring water to the GRE?
4. Will hit the sack now?
5. What is a scathing report?
6. Why do they say from scratch?
7. What is scratch art called?
8. What is the synonym of race?
9. Can you bring water to GRE?
10. Should I bring a pencil to the GRE?

Tags

1. #figurative
2. #other
3. #ground
4. #sports
5. #notably
6. #originated
7. #scratch
8. #starting
9. #nothing
10. #meaning
11. #century
12. #describe
13. #since
14. #where
15. #taken
16. #world
17. #sporting
18. #advantage
19. #scratched