Why is a dozen 12?

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Tags

1. #primitive
2. #convenient
3. #commonly
4. #divisors
5. #abbreviated
6. #grouping
7. #there
8. #because
9. #dozen
10. #perhaps
11. #groupings
12. #months
13. #twelve
14. #approximately
15. #under
16. #earliest
17. #cycle
18. #cycles
19. #number