gold / gold or metal currency: coins, such as 大判 (ōban) or 小判 (koban) / short for 黄金色 (kogane iro, “gold”, the color)

money / metal

historian

(Internet slang, especially anime and manga fandom) events or things from the past which one wants to whitewash/erase from history (due to it being embarrassing, poorly received, etc.); dark past

study of history

historicism

oral history

historic, historical / already-happened, past / former, old, traditional

(humanities) sinology

Chinese (any language spoken in China) / Chinese (class of languages) / Chinese (Mandarin)