إِنِّي أَرَاكَ تُقَدِّمُ رِجْلًا وَتُؤَخِّرُ أُخْرَى
I see you putting one foot forward and holding the other back.
When the entire forward-and-backward stepping scene describes indecision, it is a representational metaphor. Treating only “foot” as the borrowed word misses the transferred configuration.
In a literal account of walking, a metaphorical interpretation would require further contextual evidence.