pathach (Hebrew #6605)
to open wide (literally or figuratively); specifically, to loosen, begin, plough, carve
KJV usage: appear, break forth, draw (out), let go free, (en-)grave(-n), loose (self), (be, be set) open(-ing), put off, ungird, unstop, have vent.
Pronounce: paw-thakh'
Origin: a primitive root