Where does “ֆեյսբուքյան” come from?

ֆեյսբուքյան (Armenian) comes from Armenian Ֆեյսբուք, 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 — to bake, to roast, to fry.

Ancestry of “ֆեյսբուքյան”, step by step

StepLanguageWordMeaning
1ArmenianՖեյսբուքFacebook
2EnglishFacebookA personal web profile on the social-networking...
3EnglishBookthe Bible
4Germanbūchbook collection of sheets of paper bound together to hinge at one edge; long work fit for publication
5Middle High Germanbuoch
6Old High Germanbuohbook
7Proto-Germanicbōk
8Proto-Germanicbakanąto bake
9Proto-Indo-Europeanbʰeh₃g-to bake, to roast, to fry
Every word from Proto-Indo-European bʰeh₃g-Every word from Proto-Germanic bakanąEvery word from Proto-Germanic bōk