Where does “Rechenaufgabe” come from?

Rechenaufgabe (German) comes from German rechnen, from Middle High German rechenen, from Old High German rehhanōn, from Proto-Germanic rekanōną, from Proto-Indo-European h₃reǵ- — to straighten, to right oneself; right; just.

Rechenaufgabe (German): mathematical exercise, arithmetical problem, math problem

Definitions

  1. mathematical exercise, arithmetical problem, math problem

Ancestry of “Rechenaufgabe”, step by step

Rechenaufgabe traces back through two separate lines of ancestry.

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

via German Aufgabe

StepLanguageWordMeaning
1GermanAufgabetask, duty, job, chore, responsibility, business,...
2Middle High Germanūfgābe—
Every word from Proto-Indo-European h₃reǵ- →
Rechenaufgabe — Etymology, Origin & Word History | Etymology Explorer