Where does “при этом” come from?

при этом (Russian) comes from Russian при, from Proto-Slavic pri, from Proto-Balto-Slavic prei, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

при этом (Russian): at that (in addition), (and) at the same time

Definitions

  1. at that (in addition), (and) at the same time

Ancestry of “при этом”, step by step

при этом traces back through two separate lines of ancestry.

via Russian при

StepLanguageWordMeaning
1Russianприin the presence of; in the time of; at, by
2Proto-Slavicprinext to, by, at; with; to
3Proto-Balto-Slavicpreiat, with
4Proto-Indo-Europeanper-before, in front; first; to go through
5Proto-Indo-Europeanpr̥tóspassed , crossed

via Russian э́том

StepLanguageWordMeaning
1Russianэ́том—
Every word from Proto-Indo-European pr̥tós →Every word from Proto-Indo-European per- →Every word from Proto-Balto-Slavic prei →