prtform

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

(v) : To shape something before some other operation.

(n) : (archaeology) The rough, incomplete and unused basic form of a stone tool.

(n) : (linguistics) A word that is no longer in use, but has been reconstructed from current ones.

(v) : Misspelling of perform. [(transitive) To do (something); to execute.]