Where does “ydinkeskus” come from?

ydinkeskus (Finnish) comes from Finnish keskus, from Finnish Keski-, from Proto-Finnic keski, from Proto-Finno-Permic keske.

Ancestry of “ydinkeskus”, step by step

ydinkeskus traces back through two separate lines of ancestry.

via Finnish keskus

StepLanguageWordMeaning
1Finnishkeskuscentre/center
2FinnishKeski-middle, central; average, mid-, medium
3Proto-Finnickeskimiddle, center
4Proto-Finno-Permickeske—

via Finnish ydin

StepLanguageWordMeaning
1Finnishydincore, kernel, the central part of something;...
2FriulianUdinUdine
3Arabicالدِّين—
Every word from Proto-Finno-Permic keske →Every word from Finnish Keski- →Every word from Finnish keskus →