Where does “megohmmeter” come from?

megohmmeter (English) comes from English ohmmeter, from English -meter, from French mètre, from Latin metrum, from Ancient Greek μέτρον, from Ancient Greek -τρον, from Proto-Hellenic -tron, from Proto-Indo-European -trom — Derives agent nouns from verbs, denoting someone...

megohmmeter (English): An instrument that measures extremely high...

Definitions

  1. An instrument that measures extremely high...

Ancestry of “megohmmeter”, step by step

megohmmeter traces back through two separate lines of ancestry.

via English ohmmeter

StepLanguageWordMeaning
1EnglishohmmeterA portable device for measuring relatively small...
2English-meterUsed to form the names of measuring devices
3Frenchmètremetre/meter; first-person singular present...
4Latinmetruma measure
5Ancient Greekμέτρονsomething used to measure: measure, rule, weight;...
6Ancient Greek-τρονForms instrument nouns
7Proto-Hellenic-tronForms instrument nouns from verb stems
8Proto-Indo-European-tromForms nouns denoting a tool or instrument
9Proto-Indo-European-tḗrDerives agent nouns from verbs, denoting someone...

via English mega

StepLanguageWordMeaning
1EnglishmegaVery large; great; excellent
2Ancient Greekμέγαςbig, large; great, mighty, loud; marvelous,...
3Proto-Indo-Europeanmeǵh₂sgreat
Every word from Proto-Indo-European -tḗrEvery word from Ancient Greek -τρονEvery word from Ancient Greek μέτρον