Etymology

facebook

F4A1C3E1B3O1O1K5

Today it means: A reference book or electronic directory containing the photographs and names of various individuals. Full definition →

English namebookinflu. ← Middle English bok ← Old English bōc
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

facebook · noun, verb1

  1. Proto-Indo-European*dʰeh₁-
  2. Proto-Indo-European*dʰeh₁k-
  3. Proto-Indo-European*dʰh₁kyéti
  4. Proto-Italic*θakjō
  5. Proto-Italic*fakjō
  6. Latinfaciō
  7. Latinfaciēs
  8. Late Latinfacia
  9. Old Frenchface
  10. Middle Englishface
  11. Englishface
  12. Proto-Indo-European*bʰeh₂ǵosder.?
  13. Proto-Indo-European*bʰeh₂g-der.?
  14. Proto-Germanic*bōks
  15. Proto-West Germanic*bōk
  16. Old Englishbōc
  17. Middle Englishbok
  18. Englishbook
  19. Englishnamebookinflu.
  20. English todayfacebook

From face + book, likely modelled after namebook.

Facebook · proper noun, noun, verb2

  1. Proto-Indo-European*dʰeh₁-
  2. Proto-Indo-European*dʰeh₁k-
  3. Proto-Indo-European*dʰh₁kyéti
  4. Proto-Italic*θakjō
  5. Proto-Italic*fakjō
  6. Latinfaciō
  7. Latinfaciēs
  8. Late Latinfacia
  9. Old Frenchface
  10. Middle Englishface
  11. Englishface
  12. Proto-Indo-European*bʰeh₂ǵosder.?
  13. Proto-Indo-European*bʰeh₂g-der.?
  14. Proto-Germanic*bōks
  15. Proto-West Germanic*bōk
  16. Old Englishbōc
  17. Middle Englishbok
  18. Englishbook
  19. Englishnamebookinflu.
  20. Englishfacebook
  21. English todayFacebook

From facebook, earlier TheFacebook and Facemash.

Etymology from Wiktionary, CC BY-SA 4.0.