Strong's #6122: `oqbah (pronounced ok-baw')
feminine of an unused form from 6117 meaning a trick; trickery:--subtilty.
Brown-Driver-Briggs Hebrew Lexicon:
‛oqbâh
1) subtlety, insidiousness, craftiness
Part of Speech: noun feminine
Relation: from an unused form from H6117 meaning a trick
Usage:
This word is used 1 times:
2 Kings 10:19: "shall be wanting, he shall not live. But Jehu did it in subtlety, to the intent that he might destroy"