the word 'uninformative' is a modern english formation built upon the well-established adjective 'informative'. its core, 'inform', originates from the latin verb informare, which literally meant "to shape or give form to" the mind, thus evolving to mean "to instruct or impart knowledge." the suffix '-ative', also of latin descent, is commonly attached to verb stems to create adjectives meaning "of or related to the action of the verb." finally, the old english prefix 'un-' is prefixed to negate the entire construction. therefore, the literal morphemic journey leads to the modern meaning: "not having the quality of shaping knowledge or providing instruction."

Structure: un (not) + inform (impart knowledge) + ative (adjective suffix) - un: a prefix of germanic origin (old english) meaning "not," used to form negatives. - inform: from latin informare meaning "to shape, give form to, train, instruct," from in- (into) + forma (form, shape). - ative: an adjective-forming suffix from latin -ativus, indicating a tendency, connection, or quality.