Where does “Siska” come from?

Siska (English) comes from Czech šiška, from Old Czech šiška, from Proto-Slavic šišьka — cone fruit of conifer.

Ancestry of “Siska”, step by step

Siska traces back through two separate lines of ancestry.

via Czech šiška

StepLanguageWordMeaning
1Czechšiškacone; loaf; a small dumpling
2Old Czechšiška—
3Proto-Slavicšišьkacone fruit of conifer

via Slovak šiška

StepLanguageWordMeaning
1Slovakšiškacone
Every word from Proto-Slavic šišьka →Every word from Old Czech šiška →Every word from Czech šiška →
Siska — Etymology, Origin & Word History | Etymology Explorer