Where does “предполётный” come from?

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

предполётный (Russian): preflight

Definitions

  1. preflight

Ancestry of “предполётный”, step by step

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