疑ぎ問もん副ふく詞し

noun

interrogative adverb

A grammatical term for adverbs that ask questions, such as いつ, どこ, なぜ, どう, どうして, and いかに.

• 「いつ」「どこ」「なぜ」などは疑ぎ問もん副ふく詞しと呼よばれる。

  Words like いつ, どこ, and なぜ are called interrogative adverbs.