What is the luhya word for smiling?

There isn't a single Luhya word for "smiling" as the specific term depends on the sub-dialect spoken. However, some common words used include:

* Kuhumuluka: This is a general term for smiling, often used in a playful or lighthearted context.

* Kutabuka: This word is used when someone is genuinely happy and smiles broadly.

* Kucheka: This is a more general word for laughing, but it can also be used to describe a smile.

It's important to note that the specific meaning of these words can vary slightly depending on the context and the sub-dialect of Luhya being spoken.

If you have a specific context in mind, I might be able to provide a more precise answer.