1680s, "pricking with a needle" as a surgical operation to ease pain, from Latin acus "a needle" (from PIE root *ak- "be sharp, rise (out) to a point, pierce") + puncture. The verb is first recorded 1972.
acuity
aculeate
acumen
acuminate
acupressure
acupuncture
acupuncturist
acute
-acy
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