album graecum
/ˈalbəm ˈɡrʌɪkəm/ /ˈalbəm ˈɡriːkəm/ /ˈalbəm ˈɡrɛkəm/(also album grecum) Now historical
noun
The dry white excrement of a dog, hyena, or other bone-eating carnivore, especially when used as an ingredient in medicinal preparations or in dyeing and tanning.
Origin
Late 16th century; earliest use found in Thomas Chaloner. From post-classical Latin album Graecum from album dry white excrement of a dog, use as noun of neuter of classical Latin albus white + classical Latin Graecum, neuter of Graecus.