Where does “わ行” come from?

わ行 (Japanese) comes from Japanese 行, from Middle Chinese 行.

わ行 (Japanese): the tenth and last row of the 五十音図, consisting of the five kana わ/ワ, ゐ/ヰ, う/ウ (alternatively, 𛄟/𛄢), ゑ/ヱ and を/ヲ, one of which is taken from the あ行 to represent classical grammatical inflection in modern text

Definitions

  1. the tenth and last row of the 五十音図, consisting of the five kana わ/ワ, ゐ/ヰ, う/ウ (alternatively, 𛄟/𛄢), ゑ/ヱ and を/ヲ, one of which is taken from the あ行 to represent classical grammatical inflection in modern text

Ancestry of “わ行”, step by step

わ行 traces back through two separate lines of ancestry.

via Japanese

StepLanguageWordMeaning
1Japanesea line of text; a row of a matrix; Abbreviation...
2Middle Chinese

via Japanese

StepLanguageWordMeaning
1Japanesea particle used in the end of sentences to...
Every word from Middle Chinese Every word from Japanese