The story
Blend of bilirubin + blanket, originally a brand name, BiliBlanket, trademarked by General Electric's Datex Ohmeda subsidiary, coined in the early 1990s.
Etymology from Wiktionary, CC BY-SA 4.0.
biliblanket
Today it means: Any of various light-emitting blankets that are used for home treatment of jaundice in infants. Full definition →