Strong's #149: 'adrazda' (pronounced ad-raz-daw')
(Aramaic) probably of Persian origin; quickly or carefully:--diligently.
Brown-Driver-Briggs Hebrew Lexicon:
ּ (Aramaic)
'adrazdâ'
1) correctly, exactly, diligently, earnestly
Part of Speech: adverb
Relation: probably of Persian origin
Usage:
This word is used 1 times:
Ezra 7:23: "is commanded by the God of heaven, let it be diligently done for the house of the God"