The word 'untransformed' is a modern English construction built upon the core verb 'transform,' which entered Middle English from Old French transformer, itself from Latin transformare. This Latin verb is a compound of trans- (across) and formare (to shape), literally meaning "to shape across" or change from one form into another. The addition of the Germanic negative prefix un- directly reverses this meaning, creating an adjective that describes something which has not undergone this process of being reshaped or changed. Thus, the word's logic is a clear, layered negation of a classical concept of metamorphosis.

Structure: un (not) + trans (across) + formed (shaped) - un: A prefix of Germanic origin (Old English) meaning "not," used to form negatives. - trans: A Latin prefix meaning "across," "beyond," or "through." - formed: Derived from the Latin root formare (to shape), via Old French former. In this word, it functions as the past participle of the verb 'form' or 'transform,' meaning "shaped."