Word Origin and History for infirm Expand. adj. late 14c., weak, unsound (of things), from Latin infirmus weak, frail, feeble (figuratively superstitious, pusillanimous, inconstant), from in- not, opposite of (see in- (1)) + firmus (see firm (adj.)). Of persons, not strong, unhealthy, first recorded c.1600.
There are 390 calories in a 1 muffin serving of Tim Hortons Lemon Poppyseed Muffin. Calorie Breakdown: 35% fat, 58% carbs, 6% prot.
Ingredient Specific Calorie Information From Our Recipes: 1  Calories In Banana Nut Muffins al la Robert E. Kowalski Calories: 117, Fat: 7g, Carbs: 17g, Protein: 4g, Fiber: 2g. 2  Calories In Kowalski's Gourmet Sandwich Calories: 238, Fat: 8g, Carbs: 24g, Protein: 18g, Fiber: 2g.