Where does “заслонка” come from?

заслонка (Russian) comes from Russian заслони́ть, from Russian -слони́ть, from Proto-Slavic sloniti, from Serbo-Croatian ослонити, from Serbo-Croatian о, from Proto-Slavic o(b), from Proto-Balto-Slavic ab, from Proto-Indo-European h₃ebʰi.

заслонка (Russian): flap, valve, shutter, screen

Definitions

  1. flap, valve, shutter, screen

Ancestry of “заслонка”, step by step

StepLanguageWordMeaning
1Russianзаслони́тьto screen, to shield
2Russian-слони́ть
3Proto-Slavicslonitito lean; to screen, to shelter
4Serbo-Croatianослонитиto lean; to lean on, hold onto; to rely on, trust
5Serbo-Croatianоon, against; about, concerning
6Proto-Slavico(b)around, about; concerning; against, on
7Proto-Balto-Slavicab
8Proto-Indo-Europeanh₃ebʰi
Every word from Proto-Indo-European h₃ebʰiEvery word from Proto-Balto-Slavic abEvery word from Proto-Slavic o(b)