Where does “Rechnermaus” come from?

Rechnermaus (German) comes from German Rechner, 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.

Rechnermaus (German): computer mouse

Definitions

  1. computer mouse

Ancestry of “Rechnermaus”, step by step

Rechnermaus traces back through two separate lines of ancestry.

via German Rechner

StepLanguageWordMeaning
1GermanRechneragent noun of rechnen; person who calculates;...
2Germanrechnento count, reckon, calculate, compute; to expect
3Middle High Germanrechenen
4Old High Germanrehhanōn
5Proto-Germanicrekanōnąto count; to explain
6Proto-Indo-Europeanh₃reǵ-to straighten, to right oneself; right; just

via German maus

StepLanguageWordMeaning
1Germanmausmouse (animal)
2Middle High Germanmūsmouse
3Old High Germanmūsmouse
4Proto-West Germanicmūsmouse
5Proto-Germanicmūsmouse
6Proto-Indo-Europeanmúh₂smouse
Every word from Proto-Indo-European h₃reǵ-Every word from Proto-Germanic rekanōnąEvery word from Old High German rehhanōn