A grammatical (or “structural” or “functional”) postposition is one that may be governed by a verb or verboid or be otherwise required by a rule of grammar.

Table 2: Grammatical postpositions
form label meaning
i̱a̱ Dative to, for N
te/të Ergative N is the actor in a situation also involving an undergoer
wa̱~kú̱ Dispositive by intervention / under control / on the part of N