The story
From -kin- (“interleukin”) + -umab (“human monoclonal antibody”).
Etymology from Wiktionary, CC BY-SA 4.0.
ustekinumab
Today it means: A human monoclonal antibody directed against interleukin 12 and interleukin 23, in clinical trials for multiple sclerosis, psoriasis, and psoriatic arthritis. Full definition →