Definition of holophrasis in English:

holophrasis

noun

  • 1[mass noun] The expression of a whole phrase in a single word, for example howdy for how do you do.

    1. 1.1The learning of linguistic elements as whole chunks by very young children acquiring their first language, for example it's all gone learned as allgone.
      • ‘Infants begin by babbling and cooing, progress to holophrasis and by age three to four children are working on semantics and pragmatics.’

Pronunciation:

holophrasis

/ˌhɒlə(ʊ)ˈfreɪsɪs/