noun
historical research; period research
Used especially for verifying historical accuracy in films, dramas, novels, or academic work. Refers to the process of investigating the customs, objects, and events of a specific historical period.
この時代劇は時代考証がしっかりしている。
This period drama is well-researched historically.
小説を書くために江戸
I did research into the Edo period in order to write a novel.