H2287
  חגג  
 חָגַג    châgag  
khaw-gag‘ 
A primitive root (compare 2283  2328 ; properly to move in a circle, that is, (specifically) to march in a sacred procession, to observe a festival; by implication to be giddy: - celebrate, dance, (keep, hold) a (solemn) feast (holiday), reel to and fro.