henotheism noun. 
['hɛnǝʊ,Ɵi:ɪz(ǝ)m] M19.[from Greek heno- stem of heis one + theos god + -ISM.]Belief in a single god of e.g. one's tribe, without assertion that there is only one god.
 ■   henotheist noun L19. ■   henothe'istic adjective L19.  [TahlilGaran] English Dictionary ▲