attic salt
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,)

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