Where does “facebook” come from?

facebook (English) comes from English Facebook, from English Book, from German būch, from Middle High German buoch, from Old High German buoh, from Proto-Germanic bōk, from Proto-Germanic bakaną, from Proto-Indo-European bʰeh₃g- — to bake, to roast, to fry.

facebook (English): A reference book or electronic directory made up...

Definitions

  1. A reference book or electronic directory made up...

Ancestry of “facebook”, step by step

facebook traces back through two separate lines of ancestry.

via English Facebook

StepLanguageWordMeaning
1EnglishFacebookA personal web profile on the social-networking...
2EnglishBookthe Bible
3Germanbūchbook collection of sheets of paper bound together to hinge at one edge; long work fit for publication
4Middle High Germanbuoch
5Old High Germanbuohbook
6Proto-Germanicbōk
7Proto-Germanicbakanąto bake
8Proto-Indo-Europeanbʰeh₃g-to bake, to roast, to fry

via English book

StepLanguageWordMeaning
1EnglishbookA collection of sheets of paper bound together to...
2Middle Englishbookebook; Alternative form of bouk
Every word from Proto-Indo-European bʰeh₃g-