史学
shǐ xué
historiography
history (史) + study (学) = historiography
史 originally depicted an official hand-holding a record, the keeper of written annals. Pair that with 学, the act of a child absorbing knowledge under a roof, and you get the formal study of history itself.
他对史学很感兴趣。
tā duì shǐ xué hěn gǎn xìng qù。
He is very interested in historiography.
史学研究需要读很多旧书。
shǐ xué yán jiū xū yào dú hěn duō jiù shū。
Historiography research requires reading many old books.