sepia
noun
[ ˈsiːpɪə ]
• a reddish-brown colour associated particularly with monochrome photographs of the 19th and early 20th centuries.
• "old sepia photographs"
• a blackish fluid secreted by a cuttlefish as a defensive screen.
Origin:
late Middle English (denoting a cuttlefish): via Latin from Greek sēpia ‘cuttlefish’. The current senses date from the early 19th century.