Where does “Masurian” come from?

Masurian (English) comes from English Masuria, from English Masovia, from Polish Mazowsze, from Polish maź, from Proto-Slavic mazь, from Proto-Slavic -ь, from Proto-Indo-European -is — Forms nouns from verbs.

Masurian (English): Of, from, or pertaining to Masuria or its culture...

Definitions

  1. Of, from, or pertaining to Masuria or its culture...

Ancestry of “Masurian”, step by step

Masurian traces back through two separate lines of ancestry.

via English Masuria

StepLanguageWordMeaning
1EnglishMasuriahistorically part of East Prussia
2EnglishMasoviaA historic and geographical region of Poland, situated in the east of the country
3PolishMazowsze—
4Polishmaźslime, grease
5Proto-Slavicmazьgrease, ointment
6Proto-Slavic-ьForms nouns; From adjectives; From participles
7Proto-Indo-European-isForms nouns from verbs

via English ān

StepLanguageWordMeaning
1Englishān—
2Middle Englishāna, an indefinite article
3Old Englishānlonely; entirely alone, solitary, single; one
4Proto-West Germanicainone
5Proto-Germanicainazone; some
6Proto-Indo-Europeanóynosone; single
Every word from Proto-Indo-European -is →Every word from Proto-Slavic -ь →Every word from Proto-Slavic mazь →