Upvote:1
It's likely derived form 経行 (Jap. kin-hin, Chin. jīngxíng) literally means "walking meditation". It is a practice within several forms of Buddhism that involve movement and periods of walking between long periods of sitting meditation. During walking meditation each step is taken after each full breath.
The practice is common in Chan Buddhism and its extra-Chinese forms, Zen, Korean Seon and Vietnamese Thiền.
Upvote:2
This is just another form of nei gong - not much different than Zhan Zhuang (standing post). It has some things in common with samatha meditation namely the interplay of relaxation and upright posture. It's good stuff, don't get me wrong, but it is limited as to the degree of one pointedness one can achieve at least as compared to sitting meditation.