gley-
“to stick, adhere, be slimy”Widely acceptedtextureadhesion
glue, clay, glib, glean
Root yielding English glue, clay, glib, glean from the sense of sticking/adhering.
bʰreg-₂“to break apart, be brittle”gʰer-s-eyo-“to keep bristling, being rough”gʰers-“to bristle, be rough, stubble”gʷremH-“to be moist, damp, soggy”gʷʰer-s-“to bristle, be rough”hrewh₁-“to tear up, make rough”h₂eḱ-r-is-“sharp point, keen edge”karh₂-tó-“hard, strong, resistant”