Strong's #4420: mlechah (pronounced mel-ay-khaw')

from 4414 (in its denominative sense); properly, salted (i.e. land (776 being understood)), i.e. a desert:--barren land(-ness), salt (land).

Brown-Driver-Briggs Hebrew Lexicon:

melêchâh

1) saltness, barrenness, saltiness

Part of Speech: noun feminine

Relation: from H4414 (in its denominative sense)

Usage:

This word is used 3 times:

 

Job 39:6: "house I have made the wilderness, and the barren land his dwellings."
Psalms 107:34: "A fruitful land into barrenness, for the wickedness of them that dwell"
Jeremiah 17:6: "but shall inhabit the parched places in the wilderness, in a salt land and not inhabited."