-y

Concise Oxford English Dictionary © 2008 Oxford University Press:
-y1

▶suffix forming adjectives.

• 1 (from nouns and adjectives) full of; having the quality of: messy.

  ■ with derogatory reference: boozy.

• 2 (from verbs) apt to: sticky.

– origin OE -ig, of Gmc origin.

Concise Oxford English Dictionary © 2008 Oxford University Press:
-y2 (also -ey or -ie)

▶suffix forming diminutive nouns, pet names, etc.: aunty.

■ forming verbs: shinny.

– origin ME: orig. Scots.

Concise Oxford English Dictionary © 2008 Oxford University Press:
-y3

▶suffix forming nouns.

• 1 denoting a state or quality: jealousy.

• 2 denoting an action or its result: victory.

– origin from Fr. -ie, from L. -ia, -ium, or Gk -eia, -ia.