Where does “operandum” come from?

operandum (English) comes from Latin operandum, from Latin operandus, from Latin opero, from Latin opus, from Proto-Indo-European h₃ep-os-, from Proto-Indo-European h₃ep- — to work, toil, make; ability, force.

operandum (English): A lever, key or device installed in a operant...

Definitions

  1. A lever, key or device installed in a operant...

Ancestry of “operandum”, step by step

StepLanguageWordMeaning
1Latinoperandumnominative neuter singular of operandus;...
2Latinoperanduswhich is to be worked
3LatinoperoI work
4Latinopuswork, accomplishment; workmanship, artwork, work;...
5Proto-Indo-Europeanh₃ep-os-work
6Proto-Indo-Europeanh₃ep-to work, toil, make; ability, force
Every word from Proto-Indo-European h₃ep-Every word from Proto-Indo-European h₃ep-os-Every word from Latin opus