Where does “cyfrak” come from?

cyfrak (Polish) comes from Polish cyfrowy, from Polish cyfra, from Medieval Latin cifra, from Arabic صِفْر, from Sanskrit शून्य, from Proto-Indo-European ḱówH-.

Ancestry of “cyfrak”, step by step

StepLanguageWordMeaning
1Polishcyfrowydigital
2Polishcyfrafigure, digit
3Medieval Latincifrazero, numeral; numeral, cipher; zero
4Arabicصِفْرzero, nothing, empty, void; nothing, cipher;...
5Sanskritशून्यzero; cipher, cypher; blank, deserted
6Proto-Indo-EuropeanḱówH-—
Every word from Proto-Indo-European ḱówH- →Every word from Sanskrit शून्य →Every word from Arabic صِفْر →