Where does “古代教会スラブ語” come from?

古代教会スラブ語 (Japanese) comes from Japanese 語, from Chinese 語.

Ancestry of “古代教会スラブ語”, step by step

古代教会スラブ語 traces back through 3 separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesea word, term; a proverb; language of, -ese, -ish
2Chinese

via Japanese 教会

StepLanguageWordMeaning
1Japanese教会church

via Japanese 古代

StepLanguageWordMeaning
1Japanese古代ancient times, antiquity, remote ages
Every word from Chinese Every word from Japanese
古代教会スラブ語 — Etymology, Origin & Word History | Etymology Explorer