Word Class: 
verb prefix
At that place, to X, beside X (where X is a bodypart term). This prefix is a locative marker that attaches to bodypart terms deriving a coverb that specifies a location with respect to the body.
Kurungurr Example:
Nganinyi nganwantyirr ngini.
I'll come and sit at your side.
Kurungurr Example:
Kuru yedi pap tye, ngan ngarrgu nginni nganmadi tye.
The water came right up into that place where we prisoners were sitting inside.