1560s, to remove (a nut, etc.) from a shell, from shell (n.). The meaning to bombard with shells is first attested 1856. To shell out disburse (1801) is a figurative use from the image of extracting nuts. Related: Shelled; shelling.
There are 14 calories in 1 cup, slices (3 oz) of Nopales (Cactus Leaf), raw. You'd need to walk 4 minutes to burn 14 calories. Visit CalorieKing to see calorie count and nutrient data for all portion sizes.
Here are the foods from our food nutrition database that were used for the nutrition calculations of this recipe. Calories per serving of Homemade Chicken Noodle 53 calories of No Yolk Broad Noodles, (0.50 oz) 37 calories of Chicken Breast, with skin, (0.25 unit (yield from 1 lb ready-to-cook chicken)) 31 calories of Canola Oil, (0.25 tbsp) 10 calories of Baby Carrots, raw, (3 medium) 7 calories of Chicken Broth, (0.75 cup (8 fl oz)) 3 calories of Celery, raw, (0.50 stalk, medium (7-1/2 - 8 long))