blogosphere

The story

1. Proto-Indo-European*weyh₁-?
2. Proto-Indo-European*wiHrós
3. Proto-Germanic*weraz
4. Proto-Indo-European*h₂el-
5. Proto-Indo-European*h₂életi
6. Proto-Germanic*alaną
7. Proto-Germanic*aldiz
8. Proto-Germanic*weraldiz
9. Proto-West Germanic*weraldi
10. Old Englishweorold
11. Middle Englishworld
12. Englishworld
13. Proto-Indo-European*dwóh₁
14. Proto-Indo-European*dwi-
15. Proto-Indo-European*dʰeh₁-
16. Proto-Indo-European*h₁weydʰh₁-
17. Proto-Indo-European*h₁weydʰh₁ós
18. Proto-Germanic*wīdaz
19. Old Englishwīd
20. Englishwide
21. Englishworldwide
22. Proto-Indo-European*webʰ-
23. Proto-Germanic*webaną
24. Proto-Germanic*wabją
25. Old Englishwebb
26. Middle Englishweb
27. Englishweb
28. EnglishWorld Wide Webellip.
29. EnglishWeb
30. Proto-Indo-European*legʰ-
31. Proto-Indo-European*légʰyeti
32. Proto-Germanic*ligjaną
33. Old Norseliggjader.?
34. Middle Englishlogge
35. Englishlog
36. Proto-Indo-European*bʰeh₂ǵosder.?
37. Proto-Indo-European*bʰeh₂g-der.?
38. Proto-Germanic*bōks
39. Proto-West Germanic*bōk
40. Old Englishbōc
41. Middle Englishbok
42. Englishbook
43. Englishlogbook
44. Englishlog
45. Englishweblog
46. Englishblog
47. Ancient Greekσφαῖρᾰ (sphaîră)
48. Latinsphaera
49. Late Latinsphēra
50. Old Frenchsphere
51. Middle Englishspere
52. Englishsphere
53. English todayblogosphere

From blog + -o- + -sphere. Possibly under the influence of biosphere, atmosphere, etc.

First known use, by meaning

• 1999 The totality of blogs, especially the unique jargon, cultures and shared interests created by their interconnection.