חֶלְאָה (chelʼâhkhel-aw'noun|femininerust)
[Heb] חֶלְאָה ETCBC: חֶלְאָה‎ (subs|rust) OSHL: h.ci.ab TWOT: 649a GK: H2689
Derivation: from חָלָא;
Strong's: properly, disease; hence, rust
KJV: scum.