anthracias
From LSJ
σταγόνες ὕδατος πέτρας κοιλαίνουσιν → constant dropping wears away a stone, constant dripping will wear away the hardest stone, little strokes fell big oaks, constant dripping wears the stone, constant dropping wears the stone, constant dripping will wear away a stone
Latin > English
anthracias anthraciae N F :: kind of carbuncle, the coal-carbuncle; (garnet?)
Latin > English (Lewis & Short)
anthrăcĭas: v. anthracitis.
Latin > French (Gaffiot 2016)
anthrăcĭās, æ, m. (ἀνθρακίας), escarboucle : Sol. 37, 24.
Latin > German (Georges)
anthracias, s. anthracitis.