Mehri

ḏ̣əbōr - to nag, to grumble (ML 82)

Proto-MSA
*ṯ̣br - to nag, to offend (Kogan 2015:575)
The origin of Proto-MSA *ṯ̣br ‘to nag, to offend’ is unknown. (Kogan 2015:575)