Strong's Concordance

Original word: דּוּץ
Transliteration: duts
Definition (short): leaps
Definition (full): to spring, leap, dance

NAS Exhaustive Concordance

Word Origin: a prim. root
Definition: to spring, leap, dance
NASB Translation: leaps (1).
NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries.
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Strong's Exhaustive Concordance

A primitive root; to leap -- be turned.
KJV: In his neck remaineth strength, and sorrow is turned into joy before him.
NASB: "In his neck lodges strength, And dismay leaps before him.