Where does “greenium” come from?

greenium (English) comes from English premium, from Latin praemium, from Latin prae-, from Proto-Italic prai-, from Proto-Indo-European preh₂-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

Ancestry of “greenium”, step by step

greenium traces back through two separate lines of ancestry.

via English premium

StepLanguageWordMeaning
1EnglishpremiumSuperior in quality; higher in price or value;...
2Latinpraemiumprofit derived from booty, booty; profit,...
3Latinprae-before; in front; in charge
4Proto-Italicprai-pre-, before
5Proto-Indo-Europeanpreh₂-before, in front
6Proto-Indo-Europeanper-before, in front; first; to go through
7Proto-Indo-Europeanpr̥tóspassed , crossed

via English Green

StepLanguageWordMeaning
1EnglishGreenOf, or pertaining, to a Green Party or green...
2Middle Englishgrenegreen
3Old Englishgrēnegreen
4Proto-West Germanicgrōnīgreen
5Proto-Germanicgrōnizgreen
6Proto-Indo-Europeanǵʰreh₁-to become green, grow; to grow; to green, to grow
Every word from Proto-Indo-European pr̥tós