חֶלְאָה‎ (chelʼâh|khel-aw'|noun|feminine|rust)
[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.