A noun for “a wounding, a wound” appearing in revisions to the Outline of Phonology (OP2) made around 1959, derived from primitive ✶snagdē based on the root √SNAG “wound, gash” (PE19/91). Here the combination agd vocalized to aið, and then the ai became ae.
Sindarin
naedh
noun. a wound
naedh
noun. wounding, wound
a wound(ing)