דָּפַק (dâphaqdaw-fak'verbbeat)
[Heb] דָּפַק ETCBC: דפק‎ (verb|drive) OSHL: d.cb.aa TWOT: 447 GK: H1985 Greek: καταδιώκω, κρούω
Derivation: a primitive root;
Strong's: to knock; by analogy, to press severely
KJV: beat, knock, overdrive.