Where does “Skierka” come from?

Skierka (Polish) comes from Polish skra, from Proto-Slavic jьskra — spark.

Ancestry of “Skierka”, step by step

StepLanguageWordMeaning
1Polishskra—
2Proto-Slavicjьskraspark
Every word from Proto-Slavic jьskra →Every word from Polish skra →