grammaticalize

Enhanced output arises when learners grammaticalize their output either through the use of more advanced interlanguage forms or of target language forms.

That is, the cooccurrence restrictions do cross intervening specifications for the same feature. […] In the model, a linguistic constraint against homorganicity (which may grammaticalize constraints on motor programming) is enforced on pairs […]

Similarly to other classifier languages in South America and elsewhere, a number of nouns grammaticalize as classifiers and are also used as derivational suffixes, e.g. *-maka 'stretch (of cloth)' (from *maka “hammock'), […]