h₂eḱ-weh₂-₂
“sharpness of hearing, keenness”Widely acceptedsensationcognition
acute, acumen, acid, acrid, acne, exacerbate
Derivative from *h₂eḱ- "sharp", yielding Latin acūtus "sharp", acūmen, acidus "sour", English acute, acumen, acid, acrid, acne, exacerbate.