Strong's #3182: yacheph (pronounced yaw-khafe')

from an unused root meaning to take off the shoes; unsandalled:--barefoot, being unshod.

Brown-Driver-Briggs Hebrew Lexicon:

yâchêph

1) barefoot

1a) bareness, being unshod (substantive)

Part of Speech: adjective

Relation: from an unused root meaning to take off the shoes

Usage:

This word is used 5 times:

 

2 Samuel 15:30: "covered, and he went barefoot: and all the people that was with"
Isaiah 20:2: "thy foot. And he did so, walking naked and barefoot."
Isaiah 20:3: "Isaiah hath walked naked and barefoot three years and wonder"
Isaiah 20:4: "young naked and barefoot, even with their buttocks uncovered, to the shame of Egypt."
Jeremiah 2:25: "Withhold thy foot from being unshod, from being unshod, and thy throat from thirst: but thou saidst,"