Proto-MSA

*prr - to fly (Kogan 2015: 539)

PWS
*pr - to run away, to flee (Kogan 2015:539)

Tigrinya
fәr bälä - to fly like a partridge, to jump up (TED 2657)
Mehri
fər - to fly, jump up; to flee (ML 96)
Jibbali
ferr - to fly, to flee (JL 59)