paṭikkamati : [paṭi + kam + a] steps backwards; goes back or aside.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Paṭikkamati [paṭi+kram] to step backwards, to return (opp. abhi˚) Vin ii.110, 208; M i.78; S i.200, 226; ii.282; Sn 388 (ger. ˚kkamma=nivattitvā SnA 374); SnA 53. -- Caus. paṭikkamāpeti to cause to retreat J i.214 Miln 121. -- pp. paṭikkanta (q. v.).

Pali-English Dictionary, TW Rhys Davids, William Stede,