Possible words you might be thinking of:
* "Lula": This is a word that means "to be quiet" or "to be silent" in the Luhya language.
* "Rula" in other languages: It's possible that "Rula" is a word in another language, especially if you're thinking of a specific Luhya sub-dialect.
Please clarify what you are looking for, and I can provide a more accurate answer. For example:
* Can you give me the context where you heard the word "Rula"?
* What is the meaning you think the word has?
This will help me understand your question better and provide you with the correct answer.