Where does “предохранительный” come from?

предохранительный (Russian) comes from Russian предохрани́ть, from Russian пред-, from Old Church Slavonic прѣдъ, from Proto-Slavic perdъ, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

предохранительный (Russian): safety, protection

Definitions

  1. safety, protection

Ancestry of “предохранительный”, step by step

StepLanguageWordMeaning
1Russianпредохрани́тьto protect from harm
2Russianпред-before, fore-, pre-; cis-
3Old Church Slavonicпрѣдъbefore; in front of
4Proto-Slavicperdъbefore, in front of; before
5Proto-Indo-Europeanper-before, in front; first; to go through
6Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Slavic perdъ →