Grovel (verb)

1. To crawl or creep on the ground, usually as a sign of submission.
2. To behave in a servile or craven way; to humble oneself excessively or abjectly.

Origin:

Middle english grawelen, frequentative of graven to dig, from old english grafan; akin to old high german graban to dig.

Examples:

1. He groveled at her feet begging for forgiveness.
2. The dog groveled on the ground, submitting to the alpha.
3. He groveled before the king in hopes of a pardon.
4. She groveled in front of her boss to keep her job.
5. He groveled in the dirt to show his humility.