פֶּרֶךְ (perekpeh'-reknoun|masculineharshness)
[Heb] פֶּרֶךְ ETCBC: פֶּרֶךְ‎ (subs|act of violence) OSHL: q.db.ab TWOT: 1817a GK: H7266 Greek: βία, μόχθος
Derivation: from an unused root meaning to break apart;
Strong's: fracture, i.e. severity
KJV: cruelty, rigour.