Where does “moninkertaistuminen” come from?

moninkertaistuminen (Finnish) comes from Finnish moninkertaistua, from Finnish moninkertaistaa, from Finnish moninkertainen, from Finnish -kertainen, from Finnish kerta, from Proto-Finnic kerta, from Proto-Indo-European kert-, from Proto-Turkic *keŕ- — to travel, tour.

Ancestry of “moninkertaistuminen”, step by step

StepLanguageWordMeaning
1FinnishmoninkertaistuaTo multiply, become multiple
2Finnishmoninkertaistaato multiply, make multiple/manifold
3Finnishmoninkertainenmultiple
4Finnish-kertainen-tuple, -fold, "X times as big/many as", or...
5Finnishkertatime, occasion; time; times; also once, when the...
6Proto-Finnickertatime
7Proto-Indo-Europeankert-times; to weave, twist together; time
8Proto-Turkic*keŕ-to travel, tour
Every word from Proto-Turkic *keŕ-Every word from Proto-Indo-European kert-Every word from Proto-Finnic kerta