h₂eḱ-eyo-
“to keep sharpening, making keen”Widely acceptedqualityperception
acid, acute, acuity, acrid
Iterative of *h₂eḱ- giving Latin acuere, English acid, acute, acuity, acrid.
bʰerǵ-eyo-“to keep brightening, shining”derkʷ-“to see clearly, gaze at”derkʷ-mn̥-“a seeing, keen gaze”deru-“tree, wood, to be firm”dʰeh₁-rm-“that which is heated, warm”dʰeh₁-ḱ-ul-“easy to make, manageable”dʰerǵʰ-mn̥-“firmness, hardness, endurance”gʰaw-es-“to gape at, marvel”