Where does “запереться” come from?

запереться (Russian) comes from Russian запере́ть, from Russian пере́ть, from Proto-Slavic perti, from Proto-Balto-Slavic per-, from Proto-Indo-European per-, from Proto-Indo-European pr̥tós — passed , crossed.

запереться (Russian): to lock (oneself) up

Definitions

  1. to lock (oneself) up

Ancestry of “запереться”, step by step

StepLanguageWordMeaning
1Russianзапере́тьto lock
2Russianпере́тьto move, to travel; to carry, move, trudge; push...
3Proto-Slavicpertito push, to press; to oppose
4Proto-Balto-Slavicper-—
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-Balto-Slavic per- →