Word Class: 
verb prefix
In view of someone, in the presence of someone. Historically derived from the incorporated bodypart term muy 'eye', this prefix functions as a 'presentative applicative' deriving a verb root meaning 'do X in the presence of Y', and Y becomes the object of the verb.
Kurungurr Example:
Falmi ngayi ngangginim mityerr.
We pulled up in front of my wife.
Kurungurr Example:
Kidin wunggume ambirri nimbi ngannunggu mi wap.
They've been living together since last year.