What does sub mean in the word subvert?

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Tags

1. #comes
2. #prefix
3. #about
4. #subvert
5. #functioning
6. #ideas
7. #might
8. #suffix
9. #tuxedo
10. #overthrow
11. #latin
12. #wears
13. #institution
14. #traditional
15. #beauty
16. #combines
17. #school
18. #subvertere
19. #under
20. #which
21. #government
22. #vertere
23. #normal