This is another one of those terms that won’t come up in any Korean-English dictionaries.

Fortunately, it’s a rather easy term, and is simply two words in short form.

The term means: 음식 + 숙박업.

Literally: food + accommodations industry/business.

음숙 is usually used by the tax office in Korea as a simplified way of classifying such business.

It often appears on simplified business receipts and you may see it indicated as “음숙업종” which could be translated as restaurant + accommodations business."