Where does “bulletin board” come from?

bulletin board (English) comes from English board, from English boardrider, from English rider, from Middle English ridere, from Middle English ryder, from Old English rīdere, from Old English rīdan, from Proto-West Germanic rīdan — to fit, to fix, to put together.

bulletin board (English): A board on which messages may be posted,...

Definitions

  1. A board on which messages may be posted,...

Ancestry of “bulletin board”, step by step

bulletin board traces back through two separate lines of ancestry.

via English board

StepLanguageWordMeaning
1EnglishboardA relatively long, wide and thin piece of any...
2Englishboardridersurfer
3EnglishriderOne who rides, often on a horse or a motorcycle;...
4Middle EnglishridereAlternative form of ryder
5Middle EnglishryderA rider or equestrian; one who rides a horse; A...
6Old Englishrīdererider, knight
7Old Englishrīdanto ride
8Proto-West Germanicrīdanto ride
9Proto-Germanicrīdanąto ride
10Proto-Indo-Europeanrēydʰ-
11Proto-Indo-Europeanh₂er-to fit, to fix, to put together

via English bulletin

StepLanguageWordMeaning
1EnglishbulletinA short report, especially one released through...
2Frenchbulletinbulletin; newsletter; report card, school report
3Italianbollettinobulletin
4Italian-inoAlterative suffix used to form diminutives; Used...
5Latin-īnusof or pertaining to; -ine
6Proto-Italic-īnosof/belonging to
7Proto-Indo-European-iHnosCreates adjectives of materials
8Proto-Indo-European-no-adjectival suffix
Every word from Proto-Indo-European h₂er-Every word from Proto-Indo-European rēydʰ-Every word from Proto-Germanic rīdaną