noun
written Q&A; written question and answer
Refers to the exchange of questions and answers in written form, often in formal or official contexts such as parliamentary proceedings, legal settings, or academic correspondence.
国会では、筆問筆答による質疑が行われることがある。
In the Diet, questioning may be conducted through written questions and answers.
この問題については、筆問筆答で回答を求める。
Regarding this issue, we request a response in writing.
質疑応答 is a general term for Q&A sessions, which can be oral or written; 筆問筆答 specifically emphasizes the written medium.
Compound of 筆 (writing brush, writing) + 問 (question) + 筆 + 答 (answer), literally 'writing-question writing-answer'. The exact historical derivation is uncertain, but the term follows a common Sino-Japanese pattern for formal procedures.