Where does “mątewka” come from?

mątewka (Polish) comes from Polish mątwa, from Polish -wa, from Proto-Slavic -vъ, from Proto-Balto-Slavic *-was, from Proto-Indo-European -wós — Creates adjectives from verb stems.

Ancestry of “mątewka”, step by step

StepLanguageWordMeaning
1Polishmątwacuttlefish
2Polish-waforms feminine nouns
3Proto-Slavic-vъFrom thematic declension of u-stem...
4Proto-Balto-Slavic*-was—
5Proto-Indo-European-wósCreates adjectives from verb stems
Every word from Proto-Indo-European -wós →Every word from Proto-Slavic -vъ →Every word from Polish -wa →