preformative

a formative letter, syllable, etc., at the beginning of a word.

Ch. a prefix prep. as in Hebrew, the sign of the dative; also of the genitive and accusative; and as a conj. before the future, which then rejects the preformative, that

Of or pertaining to preformation.

Of a thing: forming or affecting something that comes later.

of a letter, syllable, etc.: attached to the beginning of a word as a formative element.

Misspelling of performative.