Strong's G283 — ἀμίαντος (adjective)
amiantos (am-ee'-an-tos) adj.
1. unsoiled
2. (figuratively) pure
[from G1 (as a negative particle) and a derivative of G3392]
KJV: undefiled 
Root(s): G1, G3392 
Hebrew root: μιαίνω
Occurrences: 4