Meaning of parasynthesis

par•a•syn•the•sis

Pronunciation: (par"u-sin'thu-sis), [key]
— n. Gram.
  1. the formation of a word by the addition of a derivational suffix to a phrase or compound, as of greathearted, which is great heart plus -ed.
  2. the formation of a word by the addition of both a prefix and a derivational suffix to a word or stem, as demoralize.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.