Ischemia
The word "ischemia" () is from Greek ἴσχαιμος "iskhaimos", "staunching blood" from ἴσχω "iskhο", "keep back, restrain" and αἷμα "haima", "blood".
Pandemic
A pandemic (from Greek πᾶν "pan" "all" and δῆμος "demos" "people") is an epidemic of disease that has spread across a large region; for instance multiple continents, or even worldwide. This may include communicable and noncommunicable diseases.