PS

*rkṣ̂ - to tread, to trample; to kick (LS 400)

Arabic
rkḍ - to kick, to strike with a leg; to run (Lane 1146)
Mehri
rəkūẓ̂ - (horse, camel) to kick backwards, to trample (ML 324)
Jibbali
ɛrkɔ́ẓ̂ - to kick backwards
Harsusi
rekōẓ̂ - to kick (backwards) (HL 104)