Strong's #2808: cheshbown (pronounced khesh-bone')
from 2803; properly, contrivance; by implication, intelligence:--account, device, reason.
Brown-Driver-Briggs Hebrew Lexicon:
ּׁ
cheshbôn
1) account, reasoning, reckoning
Part of Speech: noun masculine
Relation: from H2803
Usage:
This word is used 3 times:
Ecclesiastes 7:25: "and to search, and to seek out wisdom, and the reason of things, and to know the wickedness of folly, even of foolishness"
Ecclesiastes 7:27: "counting one by one, the account:"
Ecclesiastes 9:10: "it with thy might; for work, nor device, nor knowledge, nor wisdom, in the grave,"