Where does “hiiletön” come from?

hiiletön (Finnish) comes from Finnish hiili, from Proto-Finnic hiili — charcoal; ember.

hiiletön (Finnish): carbon-free, free of carbon or carbon emissions;...

Definitions

  1. carbon-free, free of carbon or carbon emissions;...

Ancestry of “hiiletön”, step by step

hiiletön traces back through two separate lines of ancestry.

via Finnish hiili

StepLanguageWordMeaning
1Finnishhiilicoal; charcoal; carbon
2Proto-Finnichiilicharcoal; ember

via Finnish ton

StepLanguageWordMeaning
1FinnishtonGenitive singular form of toi; Accusative...
Every word from Proto-Finnic hiiliEvery word from Finnish hiili