h₂eḱ-s-

“to sharpen (extended with -s)”

Widely acceptedsharpnesstaste

Source of Latin acus, English acid, acrid, eager

Extended sharpness root, yielding Latin acus (needle), acidus (sour) and English acid, acrid, eager.

gʰel-n-“gall, bile, bitter”gʷes-“to quench thirst, taste”h₂eḱ-es-tó-“sharp-cut, vinegary”h₂eḱ-men-₂“sharpness, point of stone”h₂eḱ-men-₃“stone tool, sharp implement”h₂eḱ-mn̥-₂“edge, blade, sharp line”h₂eḱ-r-“sharp point, summit”h₂eḱ-s-mn̥“sharp edge, axle”