Strong’s Hebrew
H7577 — rthuqah
The entry below is Strong’s own definition (1890, public domain), and every verse where the word occurs.
רְתֻקָה
rthuqah — pronounced reth-oo-kaw
feminine passive participle of 7576; something fastened, i.e. a chain:--chain. see H07576
1 occurrence in the KJV.
Isaiah 40:19
The workman melteth a graven image, and the goldsmith spreadeth it over with gold, and casteth silver chains.