Where does “Mähroboter” come from?

Mähroboter (German) comes from German Roboter, from Czech robot, from Czech robota, from Old Czech robota, from Proto-Slavic orbòta, from Proto-Slavic orbъ, from Proto-Indo-European h₃órbʰos, from Proto-Indo-European h₃erbʰ- — to change allegiance, status, ownership;...

Mähroboter (German): robotic lawn mower

Definitions

  1. robotic lawn mower

Ancestry of “Mähroboter”, step by step

Mähroboter traces back through two separate lines of ancestry.

via German Roboter

StepLanguageWordMeaning
1GermanRoboterrobot
2Czechrobotrobot in humanoid form
3Czechrobotaserfdom, villeinage; corvee; any arduous work;...
4Old Czechrobotaservitude, enslavement
5Proto-Slavicorbòtawork
6Proto-Slavicorbъservant, slave
7Proto-Indo-Europeanh₃órbʰosorphan; servant, slave, worker
8Proto-Indo-Europeanh₃erbʰ-to change allegiance, status, ownership;...

via German mähen

StepLanguageWordMeaning
1Germanmähento mow
2Middle High Germanmæjen
3Old High Germanmāen
4Proto-Germanicmēanąto mow, cut down
5Proto-Indo-Europeanh₂meh₁-to mow, reap
Every word from Proto-Indo-European h₃erbʰ-Every word from Proto-Indo-European h₃órbʰosEvery word from Proto-Slavic orbъ