קָרֶה (qârehkaw-reh'noun|masculinechance)
[Heb] קָרֶה ETCBC: קָרֶה‎ (subs|pollution) OSHL: s.dc.ab TWOT: 2068a GK: H7937 Greek: ῥύσις
Derivation: from קָרָה;
Strong's: an (unfortunate) occurrence, i.e. some accidental (ceremonial) disqualification
KJV: uncleanness that chanceth.