1933 (in ascorbic acid), from a- (2) "off, away from" + scorbic, scorbutic "of scurvy," from Medieval Latin scorbuticus "scurvy," which is perhaps of German or Dutch origin. Originally in reference to Vitamin C, which is an anti-scorbutic.
Ascians
ASCII
ascites
ascitic
Asclepius
ascorbic
Ascot
ascribable
ascribe
ascription
ascus