Strong's #7558: rishyown (pronounced rish-yone')
from an unused root meaning to have leave; a permit:--grant.
Brown-Driver-Briggs Hebrew Lexicon:
ׁ
rishyôn
1) permission
Part of Speech: noun masculine
Relation: from an unused root meaning to have leave
Usage:
This word is used 1 times:
Ezra 3:7: "to the sea of Joppa, according to the grant that they had of Cyrus king of Persia."