Where does “pstrążek” come from?

pstrążek (Polish) comes from Polish Pstrąg, from Proto-Slavic pьstrǫgъ, from Proto-Slavic pьstrъ, from Proto-Slavic pьsrъ, from Proto-Balto-Slavic piśras, from Proto-Indo-European piḱrós, from Proto-Indo-European peyḱ- — to hew, cut out; to stitch, embroider, sting; to...

Ancestry of “pstrążek”, step by step

StepLanguageWordMeaning
1PolishPstrągtrout
2Proto-Slavicpьstrǫgъ—
3Proto-Slavicpьstrъvariegated
4Proto-Slavicpьsrъ—
5Proto-Balto-Slavicpiśras—
6Proto-Indo-Europeanpiḱrós—
7Proto-Indo-Europeanpeyḱ-to hew, cut out; to stitch, embroider, sting; to...
Every word from Proto-Indo-European peyḱ- →Every word from Proto-Indo-European piḱrós →Every word from Proto-Balto-Slavic piśras →