Jussiveness

Jussiveness is certainly a common factor of all four occurrences, but nʾ cannot be a simple verbal imperative ‘take!’ (with Samadi 115, to an unknown √*nā).

In the same vein, the imperative reading on verbs arises from the syntactic checking of injunctive force and the pragmatic role feature of hearer – a relation that Zanuttini (2008) identifies as a Spec-head configuration between jussiveness and addressee features.

Vowellessness of the third radical letter of imperative in verb forms 1, 4, 13, and fourteen is the result of the jussiveness of imperative by lām, […]