C15: from Latin transfundere to pour out, from trans- + fundere to pour
Word Origin and History for transfuse
v.
"to transfer by pouring," early 15c., from Latin transfusus, past participle of transfundere "pour from one container to another," from trans- "across" (see trans-) + fundere "to pour" (see found (v.2)). Related: Transfused; transfusing.
transfuse in Medicine
transfuse trans·fuse (trāns-fyōōz') v.trans·fused, trans·fus·ing, trans·fus·es To administer a transfusion of or to.