Where does “ПРО” come from?

ПРО (Russian) comes from Proto-Slavic *pro, from Proto-Balto-Slavic *pra, from Proto-Indo-European pró, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

ПРО (Russian): missile defense

Definitions

  1. missile defense

Ancestry of “ПРО”, step by step

StepLanguageWordMeaning
1Proto-Slavic*profor
2Proto-Balto-Slavic*pra
3Proto-Indo-Europeanprótoward, leading to
4Proto-Indo-Europeanper-before, in front; first; to go through
5Proto-Indo-Europeanpr̥tóspassed , crossed

Words derived from “ПРО

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