n.
   - a small fragment of bread, cake, or biscuit. 
▸the soft inner part of a loaf of bread.
 - a very small amount:
 the Budget provided few crumbs of comfort.
 - N. Amer. informal an objectionable or contemptible person.
 
v.
 
[
often as adj. crumbed]
 cover (food) with breadcrumbs.
 
  Etymology
  OE cruma, of Gmc origin; the final -b was added in the 16th cent., perh. from crumble.