Wiktionary
prelinguistic
a. Preceding the use of true language
Usage examples of "prelinguistic".
The toads no doubt use the same prelinguistic thinking we used eons ago.
Now, half a year past his third birthday, he has begun to babble in that peculiar mixture of proper English and mysterious prelinguistic code that so many toddlers discover shortly after turning one.
Or prelinguistic (the sensorimotor worldspace, or eye of flesh), paralinguistic (the noosphere, or eye of mind), and translinguistic (the theosphere, or eye of contemplation).