Proto-Gondi-Kui : *puṛ- (*-ḍ-)
Meaning : to feel, touch
Notes : In PK structures of the type *pRU- are not permitted, so voicening is normal. Also, if the PGn form is really *puḍu-, then it's even simpler: *puḍu- > *pḍu- > *bḍu- > *bṛu-. Bisyllabic root.