First, you start calling food, medicine, armor and such “non-lethal aid”. Then you start calling guns and other weapons “lethal aid”. The phrase grows slowly in news coverage, normalizing itself as jargon among military-watchers and foreign policy geeks. Then it suddenly bursts into widespread use because of intensive use in military and government press releases…
— Read on boingboing.net/2022/01/24/lethal-aid-a-euphemism-for-u-s-arms-shipments-slowly-loses-its-quotes.html