* Kuzhi: This means "hole" or "pit" in Tamil.
* Nagham: This refers to a "melody" or "tune" in Tamil.
Therefore, a literal translation of "kuzhi nagham" would be something like "hole melody" or "pit tune".
However, this phrase doesn't seem to have a common or established meaning in English. It's possible that it refers to a specific musical concept or tradition within Tamil culture, but without more context, it's difficult to say for sure.
If you can provide more context about where you encountered this phrase, it might be possible to give a more accurate and nuanced explanation.