Where does “な行” come from?

な行 (Japanese) comes from Japanese な, from Japanese ね — emphasis and question marker particle; asks for...

な行 (Japanese): the fifth row of the 五十音図, consisting of the five kana な/ナ, に/ニ, ぬ/ヌ, ね/ネ and の/ノ

Definitions

  1. the fifth row of the 五十音図, consisting of the five kana な/ナ, に/ニ, ぬ/ヌ, ね/ネ and の/ノ

Ancestry of “な行”, step by step

な行 traces back through two separate lines of ancestry.

via Japanese な

StepLanguageWordMeaning
1Japaneseなused to get someone's attention, generally...
2Japaneseねemphasis and question marker particle; asks for...

via Japanese 行

StepLanguageWordMeaning
1Japanese行a line of text; a row of a matrix; Abbreviation...
2Middle Chinese行—
Every word from Japanese ね →Every word from Japanese な →