The term GRUB FOR A GRUB is a crossword solution that consists of two words, each with four letters. The first word is LEAF, which is a type of plant organ that is typically flat and green. It is the primary photosynthetic organ of most plants, and it is used to capture energy from the sun. The second word is GRUB, which is an informal term for food, especially when referring to simple or basic fare. Therefore, the crossword solution GRUB FOR A GRUB can be interpreted as 'food for food, ' suggesting that one should eat something simple and basic.