不ふ変へん化か

noun which may take the genitive case particle 'no'

indeclinable

Grammar term for words that do not inflect, such as particles, adverbs, and conjunctions in Japanese.

• 日本にほん語ごの助じょ詞しは不ふ変へん化かの品ひん詞しです。

  Japanese particles are indeclinable parts of speech.