Where does “femtocoulomb” come from?

femtocoulomb (English) comes from English femto-, from Danish femten, from Old Norse fimmtán, from Proto-Germanic fimftehun, from Proto-Germanic tehun, from Proto-Indo-European déḱm̥t — ten.

femtocoulomb (English): An SI unit of electric charge equal to 10...

Definitions

  1. An SI unit of electric charge equal to 10...

Ancestry of “femtocoulomb”, step by step

StepLanguageWordMeaning
1Englishfemto-API; In the International System of Units and...
2Danishfemtenfifteen
3Old Norsefimmtánfifteen
4Proto-Germanicfimftehunfifteen
5Proto-Germanictehunten
6Proto-Indo-Europeandéḱm̥tten
Every word from Proto-Indo-European déḱm̥t →Every word from Proto-Germanic tehun →Every word from Proto-Germanic fimftehun →