Middle Primitive Elvish
lay
root. *be alive, flourish
layak
root. *fresh, green
grad
root. to flatten, lay low/flat, make flat what was standing
(n)dub
root. lay base, foundation, root; found
map
root. lay hold of with hand, seize
srad
root. to flatten, lay low/flat, make flat what was standing
ezdē
noun. rest
gwen
root. *fresh, green
sed
root. rest
A root glossed “to flatten, lay low/flat, make flat what was standing” appearing in a list of roots from rejected page in the Quenya Verbal System (QVS) from 1948, with variants and √G)RAD and √SRAD and no derivatives (PE22/127). It appears nowhere else.