holophrasisn.

/həʊˈlɒfrəsɪs/Etymology: < holo- comb. form + Greek ϕράσις speech, phrase n.
Philology.
the mind > language > linguistics > linguistic unit > word > [noun] > word expressing phrase or sentence > use of
1870 F. W. Farrar iv. 177 Holophrasis, the reduction of whole sentences into words.
This entry has not yet been fully updated (first published 1899; most recently modified version published online September 2019).