Where does “Rechenbrett” come from?

Rechenbrett (German) comes from German brett, from Middle High German bret, from Old High German bret, from Proto-West Germanic *bred, from Proto-Germanic bredą, from Proto-Germanic bʰredʰóm, from Proto-Indo-European bʰer-dʰ-, from Proto-Indo-European bʰer- — to bear, carry.

Rechenbrett (German): A calculation slate; An abacus, manual...

Definitions

  1. A calculation slate; An abacus, manual...

Ancestry of “Rechenbrett”, step by step

Rechenbrett traces back through two separate lines of ancestry.

via German brett

StepLanguageWordMeaning
1Germanbrettboard, plank
2Middle High Germanbreta board, a plank
3Old High Germanbret—
4Proto-West Germanic*bred—
5Proto-Germanicbredąboard, plank, shelf
6Proto-Germanicbʰredʰóm—
7Proto-Indo-Europeanbʰer-dʰ-—
8Proto-Indo-Europeanbʰer-to bear, carry

via German rechnen

StepLanguageWordMeaning
1Germanrechnento count, reckon, calculate, compute; to expect
2Middle High Germanrechenen—
3Old High Germanrehhanōn—
4Proto-Germanicrekanōnąto count; to explain
5Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just
Every word from Proto-Indo-European bʰer- →