Where does “megaerg” come from?

megaerg (English) comes from English erg, from French erg, from Ancient Greek ἔργον, from Proto-Hellenic wérgon, from Proto-Indo-European wérǵom, from Proto-Indo-European werǵ- — to make.

Ancestry of “megaerg”, step by step

megaerg traces back through two separate lines of ancestry.

via English erg

StepLanguageWordMeaning
1EnglishergThe unit of work or energy, being the amount of...
2Frenchergerg desert region
3Ancient Greekἔργονdeed, doing, action; labour, work, task;...
4Proto-Hellenicwérgonwork
5Proto-Indo-Europeanwérǵomwork
6Proto-Indo-Europeanwerǵ-to make

via English mega

StepLanguageWordMeaning
1EnglishmegaVery large; great; excellent
2Ancient Greekμέγαςbig, large; great, mighty, loud; marvelous,...
3Proto-Indo-Europeanmeǵh₂sgreat
Every word from Proto-Indo-European werǵ- →Every word from Proto-Indo-European wérǵom →Every word from Proto-Hellenic wérgon →