Where does “удвоение” come from?

удвоение (Russian) comes from Russian удво́ить, from Russian -и́ть, from Proto-Slavic -iti, from Proto-Indo-European -éyeti, from Proto-Indo-European -yeti — Creates transitive imperfective verbs from roots.

удвоение (Russian): doubling, redoubling; duplication; gemination

Definitions

  1. doubling, redoubling; duplication; gemination

Ancestry of “удвоение”, step by step

StepLanguageWordMeaning
1Russianудво́итьto double, to redouble
2Russian-и́ть—
3Proto-Slavic-itiDeverbal, iterative; Deverbal, causative;...
4Proto-Indo-European-éyetiForms causative imperfective verbs from roots;...
5Proto-Indo-European-yetiCreates transitive imperfective verbs from roots
Every word from Proto-Indo-European -yeti →Every word from Proto-Indo-European -éyeti →Every word from Proto-Slavic -iti →