Revelation of Jesus Christ
From the KJV 1611 with Strong's Concordance
G4596
σιρικός
serikos
{say-ree-kos'}
From Σήρ [[ser]] (an Indian tribe from whom silk was procured; hence the name of the silkworm); Seric, that is, silken (neuter as noun, a silky fabric).
silk
Revelation 18:12.