Where does “femtoplankton” come from?

femtoplankton (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.

femtoplankton (English): The plankton composed of cells smaller than 0.2...

Definitions

  1. The plankton composed of cells smaller than 0.2...

Ancestry of “femtoplankton”, 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 →