preverbal

pre·verb·al

P0549950 (prē-vûr′bəl)adj.1. Preceding the verb.2. a. Having not yet learned to speak: preverbal children.b. Marked by the absence of spoken language: preverbal sounds; the preverbal stage of development.

preverbal

(ˌpriːˈvɜːbəl) adj1. being before the development of speech: preverbal infants. 2. (Grammar) grammar coming before the verb