gù
incident, happening, cause
Phonosemantic compound. 攵 represents the meaning and 古 represents the sound.
Bronze script
Seal script
Clerical script
Regular script
gù
ancient, old; reason, because; happening; instance; reason; cause; intentional; former; old; friend; therefore; hence; (of people) to die, dead
李学勤《字源》p.250