ḥāgag חָגַג ‘to celebrate’ (Hebrew)

Etymology^?: a primitive root, compare ḥāggāʾ חָגָּא ‘terror’, ḥūg חוּג ‘to mark’

ḥāgag v
1) to hold a feast, hold a festival, make pilgrimage, keep a pilgrim-feast, celebrate, dance, stagger
 1a) (Qal)
  1a1) to keep a pilgrim-feast
  1a2) to reel