Walker's movement (4)
I believe the answer is:
step
(Other definitions for step that I've seen before include "Prefix meaning related by remarriage" , "Stair" , "Tread - stage" , "Place foot on as with a pest" , "some progress" .)
I believe the answer is:
step
(Other definitions for step that I've seen before include "Prefix meaning related by remarriage" , "Stair" , "Tread - stage" , "Place foot on as with a pest" , "some progress" .)