Where does “pyłoszczelny” come from?

pyłoszczelny (Polish) comes from Polish pył, from Proto-Slavic pylъ — glow?, heat?.

pyłoszczelny (Polish): dustproof

Definitions

  1. dustproof

Ancestry of “pyłoszczelny”, step by step

pyłoszczelny traces back through two separate lines of ancestry.

via Polish pył

StepLanguageWordMeaning
1Polishpyłdust
2Proto-Slavicpylъglow?, heat?

via Polish szczelny

StepLanguageWordMeaning
1Polishszczelnytight, hermetic
2Proto-Slavicščelьfracture, crack, fissure
Every word from Proto-Slavic pylъ →Every word from Polish pył →
pyłoszczelny — Etymology, Origin & Word History | Etymology Explorer