PES

*kyd - to tread, to trample, to walk (CDG 301; LLA 872; Kogan 2015: 461)

PWS
*kd - to tread, to walk slowly (?) (Kogan 2015: 462)
The biconsonantal root is most prominantly represented by PES *kyd.

Geez
keda - to tread, trample, thresh (be treading) (CDG 301)
Tigrinya
kädä - to walk (TED 1680)
Amharic
hedä - to walk, go (AED 26)
Harari
xeǯä - to stamp, trample (EDH 96)
Ezha
hedä - to walk, go (EDG 322)