Where does “przedmówczyni” come from?

przedmówczyni (Polish) comes from Polish przedmówca, from Polish mówca, from Old Polish -ca, from Proto-Slavic -ьca, from Proto-Slavic -ьka, from Proto-Balto-Slavic -ikaʔ, from Proto-Indo-European -ikeh₂.

Ancestry of “przedmówczyni”, step by step

StepLanguageWordMeaning
1Polishprzedmówcaprevious speaker
2Polishmówcaspeaker, orator
3Old Polish-caforms agent nouns
4Proto-Slavic-ьcaDenominal, forms diminutives; Deverbal , forms...
5Proto-Slavic-ьka—
6Proto-Balto-Slavic-ikaʔ—
7Proto-Indo-European-ikeh₂—
Every word from Proto-Indo-European -ikeh₂ →Every word from Proto-Slavic -ьka →Every word from Old Polish -ca →