Where does “Maślej” come from?

Maślej (Polish) comes from Polish masło, from Proto-Slavic maslo — oil; butter.

Ancestry of “Maślej”, step by step

StepLanguageWordMeaning
1Polishmasłobutter
2Proto-Slavicmaslooil; butter
Every word from Proto-Slavic maslo →Every word from Polish masło →