Where does “Awstralčanka” come from?

Awstralčanka (Upper Sorbian) comes from Upper Sorbian -ka, from Proto-Slavic -ъka, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

Ancestry of “Awstralčanka”, step by step

StepLanguageWordMeaning
1Upper Sorbian-kaadded to masculine nouns to form a feminine;...
2Proto-Slavic-ъkaDenominal, forms diminutives; Deadjectival,...
3Proto-Indo-European-kosCreates deadjectival and desubstantival...
Every word from Proto-Indo-European -kos →Every word from Proto-Slavic -ъka →Every word from Upper Sorbian -ka →