Abbott-Smith Manual Greek Lexicon
θειώδης (G2306)
1 *† θειώδης , -ες ( θεῖον ), of brimstone , sulphureous : Re 9:17 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain
Strong's G2306 · Greek
θειώδης
theiodes · thi-o'-dace
from 2303 and 1491; sulphur-like, i.e. sulphurous