Strong's #7577: rthuqah (pronounced reth-oo-kaw')
feminine passive participle of 7576; something fastened, i.e. a chain:--chain.
Brown-Driver-Briggs Hebrew Lexicon:
rethûqâh
1) chain
Part of Speech: noun feminine
Relation: passive participle of H7576
Usage:
This word is used 1 times:
Isaiah 40:19: "with gold, and casteth silver chains."