If it is not in another language ( p . eg . , the Latin ) is an error by crúor ("ancient name of hemoglobin").
Blood dye . Hemoglobin. Name given in ancient times to hemoglobin.
cruor: of the colouring sangre.parte of the segregated sangre.sangre, coagulated blood.
cruor is incorrectly written, and should be written as "CRUOR" being its meaning:COLOURING PRINCIPLE BLOOD = CRUOR
