Where does “преломление” come from?

преломление (Russian) comes from Russian преломи́ть, from Russian пре-, from Old Church Slavonic пре-, from Proto-Slavic per-, from Proto-Slavic pro-, from Proto-Slavic *pro, from Proto-Balto-Slavic *pra, from Proto-Indo-European pró — passed , crossed.

преломление (Russian): refraction; breaking in two, fracturing;...

Definitions

  1. refraction; breaking in two, fracturing;...

Ancestry of “преломление”, step by step

StepLanguageWordMeaning
1Russianпреломи́тьto refract
2Russianпре-over, across; most, very
3Old Church Slavonicпре-
4Proto-Slavicper-over-; re-
5Proto-Slavicpro-pro-, for-, through
6Proto-Slavic*profor
7Proto-Balto-Slavic*pra
8Proto-Indo-Europeanprótoward, leading to
9Proto-Indo-Europeanper-before, in front; first; to go through
10Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “преломление

Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Proto-Indo-European pró