Where does “присягнуть” come from?

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

присягнуть (Russian): to swear, to take one's oath, to swear an oath

Definitions

  1. to swear, to take one's oath, to swear an oath

Ancestry of “присягнуть”, step by step

StepLanguageWordMeaning
1Russianприсяга́тьto swear, to take one's oath, to swear an oath
2Russianпри-arrival; attachment, on; adding to
3Russianприin the presence of; in the time of; at, by
4Proto-Slavicprinext to, by, at; with; to
5Proto-Balto-Slavicpreiat, with
6Proto-Indo-Europeanper-before, in front; first; to go through
7Proto-Indo-Europeanpr̥tóspassed , crossed
Every word from Proto-Indo-European pr̥tósEvery word from Proto-Indo-European per-Every word from Russian при-