pre-lingual

pre-lingual

adjective Referring to a sign, symptom or condition that develops before the onset of speech.
References in periodicals archive ?
It is less well known that people with pre-lingual deafness (deafness before the acquisition of language) have difficulties to develop a spoken language and even to read and write, as these capabilities are tightly intervened with the formation of language (think of the spoken word forming in your brain while reading).
45pm, Film4 Three astronauts come out of hibernation to find their ship has crash-landed and they've entered a planet where men are pre-lingual and uncivilised while primates have literature, speech and technology.
astronaut George Taylor, who, after coming out of deep hibernation with his three man crew, find their ship crashed on a planet where men are pre-lingual and uncivilized, while apes have learned speech and technology.