prostrate oneself before someone or something
1. Lit. to lay oneself out in respect or obedience in front of someone or something. The members of the cult prostrated themselves before their leader. They prostrated themselves before the altar.
2. Fig. to submit to someone's dominance. If you think I'm going to prostrate my self before you and do as you ask, you are wrong. I will not prostrate myself before the high council!