Where does “raskas vety” come from?

raskas vety (Finnish) comes from Finnish vety, from Finnish -u, from Proto-Finnic -u — Forms nouns from adjectives, nouns.

raskas vety (Finnish): deuterium, heavy hydrogen

Definitions

  1. deuterium, heavy hydrogen

Ancestry of “raskas vety”, step by step

raskas vety traces back through two separate lines of ancestry.

via Finnish vety

StepLanguageWordMeaning
1Finnishvetyhydrogen; Indicative present connegative form of...
2Finnish-uForms nouns from verbs. Most common with "e"- and...
3Proto-Finnic-uForms nouns from adjectives, nouns

via Finnish raskas

StepLanguageWordMeaning
1Finnishraskasheavy; hard, laborious, strenuous, gruelling;...
2Proto-Finnicraskasheavy, weighty
Every word from Proto-Finnic -u →Every word from Finnish -u →Every word from Finnish vety →