Strong's #7255: roba` (pronounced ro'-bah)

from 7251; a quarter:--fourth participle

Brown-Driver-Briggs Hebrew Lexicon:

rôba‛

1) fourth part

Part of Speech: noun masculine

Relation: from H7251

Usage:

This word is used 2 times:

 

Numbers 23:10: "of Jacob, and the number of the fourth part of Israel? Let me die the death"
2 Kings 6:25: "head was sold for fourscore pieces of silver, and the fourth part of a cab of dove's dung for five"