Where does “副詞句” come from?

副詞句 (Japanese) comes from Japanese 句, from Middle Chinese 句 — line.

副詞句 (Japanese): adverbial phrase

Definitions

  1. adverbial phrase

Ancestry of “副詞句”, step by step

副詞句 traces back through two separate lines of ancestry.

via Japanese 句

StepLanguageWordMeaning
1Japanese句a short section from a longer text
2Middle Chinese句line

via Japanese 副詞

StepLanguageWordMeaning
1Japanese副詞adverb
Every word from Middle Chinese 句 →Every word from Japanese 句 →