Where does “kaksinkertaisuus” come from?

kaksinkertaisuus (Finnish) comes from Finnish kaksinkertainen, from Finnish -kertainen, from Finnish kerta, from Proto-Finnic kerta, from Proto-Indo-European kert-, from Proto-Turkic *keŕ- — to travel, tour.

kaksinkertaisuus (Finnish): doubleness

Definitions

  1. doubleness

Ancestry of “kaksinkertaisuus”, step by step

StepLanguageWordMeaning
1Finnishkaksinkertainendouble, dual
2Finnish-kertainen-tuple, -fold, "X times as big/many as", or...
3Finnishkertatime, occasion; time; times; also once, when the...
4Proto-Finnickertatime
5Proto-Indo-Europeankert-times; to weave, twist together; time
6Proto-Turkic*keŕ-to travel, tour
Every word from Proto-Turkic *keŕ-Every word from Proto-Indo-European kert-Every word from Proto-Finnic kerta