sanguine in Bulgarian

(literary) Having the colour of blood; blood red. [from late 14th c.]

(obsolete, physiology) Having a bodily constitution characterised by a preponderance of blood over the other bodily humours, thought to be marked by irresponsible mirth; indulgent in pleasure to the exclusion of important matters.

Characterized by abundance and active circulation of blood.

Anticipating the best; optimistic; confident; full of hope. [from early 16th c.]