preform

/P R AH0 F AO1 R M/
noun
  1. 1

    An object that has undergone preliminary shaping but is not yet in its final form.

  2. 2

    The rough, incomplete and unused basic form of a stone tool.

  3. 3

    A word that is no longer in use, but has been reconstructed from current ones.

verb
  1. 1

    To shape something before some other operation.

Source: https://en.wiktionary.org/wiki/preform