Where does “отпереться” come from?

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

отпереться (Russian): to unlock, to become unlocked; passive of...

Definitions

  1. to unlock, to become unlocked; passive of...

Ancestry of “отпереться”, step by step

StepLanguageWordMeaning
1Russianотпере́тьto unlock
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- →