English word ASA comes from English acetylsalicylic acid

Detailed word origin of ASA

Dictionary entry	Language	Definition
acetylsalicylic acid	English (eng)	(pharmacology) The acetate ester of salicylic acid (aspirin).
ASA	English (eng)	(military) : refers to fighter jet units that provide aerial defense of the nation via high-readiness aircraft.. (pharmacology, uncountable) (aspirin) (UK). , which has changed its name to American National Standards Institute (ANSI).