Strong's #659: 'epha` (pronounced eh'-fah)
from an unused root probably meaning to breathe; properly, a breath, i.e. nothing:--of nought.
Brown-Driver-Briggs Hebrew Lexicon:
'êpha‛
1) worthless, of nought
Part of Speech: adjective
Relation: from an unused root probably meaning to breathe
Usage:
This word is used 1 times:
Isaiah 41:24: "ye are of nothing, and your work of naught: an abomination is he that chooseth"