|Definition - An archaic term denoting "refined, delicate, and poignant wit."|
Etymology - The word derives via the Latin sal Atticum, salty Athenian wit. Athens is in Attica, and the Romans found the Athenians witty and urbane.
Oxford English Dictionary - Its first citation is from 1760:
"Triumph swam in my father's eyes, at the repartee: the Attic salt brought water into them."
(Sterne Tr. Shandy V. iii,)