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.
1 Line a baking sheet with parchment paper or aluminum foil. Add about 3 tablespoons of flour then set aside.  In a large bowl, use your fingers or a whisk to mix lemon zest with 3/4 cup (95 grams) flour and the Parmesan cheese. (The lemon zest can clump, make sure you break it up so that itâs evenly mixed in).