noun
study of ancient court and military customs
A yojijukugo referring to the academic study of traditional usages, ceremonies, and practices of the imperial court and warrior households, particularly from the Heian period onward.
彼は有職故実の専門家として知られている。
He is known as an expert in the study of ancient court and military customs.
有職故実を学ぶことで、平安時代の貴族の生活がよくわかる。
By studying ancient court and military customs, one can understand the lives of Heian-period aristocrats well.