The story
From international scientific vocabulary, from immuno- + transfusion
Etymology from Wiktionary, CC BY-SA 4.0.
immunotransfusion
Today it means: The process where a donor is immunised by the injection of an antigen prepared from microorganisms isolated from the recipient; wherein the blood is collected and defibrinated after being immunised, and the latter(i.e patient) is presumably passively immunised by means of antibody formed in the donor. Full definition →