شد — شِدَّةٌ
$ad~a (L, Msb) as syn. with اِشْتَدَّ: (L:) [and] a subst. from [i. e. syn. with] اِشْتِدَادٌ: (K:) The attribute denoted by the epithet شَدِيدٌ: (S:) hardness, (A, MA, L,) in substances and in attributes; (L;) firmness, compactness, or soundness; strength, power, or force; vigour, robustness, sturdiness, or hardiness; (MA, L; see إَشُدٌّ, which, accord. […]