Where does “задвижка” come from?

задвижка (Russian) comes from Russian задви́нуть, from Russian дви́нуть, from Proto-Slavic dvignǫti, from Proto-Slavic dvigati, from Proto-Slavic d(ъ)vigъ, from Proto-Slavic d(ъ)va — 2.

задвижка (Russian): (shutting) bolt

Definitions

  1. (shutting) bolt

Ancestry of “задвижка”, step by step

StepLanguageWordMeaning
1Russianзадви́нутьto push (into), to slide (into) (e.g. curtains, drawer, etc.)
2Russianдви́нутьto move, to set going
3Proto-Slavicdvignǫtito lift, raise
4Proto-Slavicdvigatito raise, lift, move up
5Proto-Slavicd(ъ)vigъbranching, buttress serving as lever
6Proto-Slavicd(ъ)va2
Every word from Proto-Slavic d(ъ)va →Every word from Proto-Slavic d(ъ)vigъ →Every word from Proto-Slavic dvigati →