What does di mean in welsh?

"Di" doesn't have a meaning in Welsh on its own. It's likely you're thinking of a word that uses "di" as a prefix, which can change the meaning of a word.

Here are some examples of words that use "di" as a prefix in Welsh:

* di-ddall: blind (meaning "without sight")

* di-gysgod: shadowless (meaning "without shadow")

* di-nod: aimless (meaning "without aim")

* di-werth: worthless (meaning "without worth")

In essence, "di" in Welsh acts as a negative prefix, similar to "un-" in English. It means "without" or "lacking".

If you have a specific word in mind that starts with "di", please let me know, and I can help you understand its meaning.