hemoptysis
noun
he·mop·ty·sis hi-ˈmäp-tə-səs 
: expectoration of blood from some part of the respiratory tract
Example Sentences
Recent Examples on the Web For example, bronchitis, lung cancer, bronchiectasis, other types of pneumonia, and chronic obstructive pulmonary disease (COPD) are some of the other things that can cause hemoptysis, which is the medical term for coughing up blood. 
Bruce Y. Lee, Forbes, 1 May 2022 Again, any type of viral or bacterial pneumonia can cause hemoptysis—not only pneumonia caused by COVID-19. Leah Groth, Health.com, 13 Apr. 2020
Bruce Y. Lee, Forbes, 1 May 2022 Again, any type of viral or bacterial pneumonia can cause hemoptysis—not only pneumonia caused by COVID-19. Leah Groth, Health.com, 13 Apr. 2020 Word History
Etymology
New Latin, from hem- + Greek ptysis act of spitting, from ptyein to spit — more at spew
First Known Use
1646, in the meaning defined above
Medical Definition
hemoptysis
noun
he·mop·ty·sis
variants or chiefly British haemoptysis
hi-ˈmäp-tə-səs
plural hemoptyses -ˌsēz
: expectoration of blood from some part of the respiratory tract