زحم

زُحْمٌ ذ , with damm, a name of Mekkeh: (K, * TA:) so says Th: but ISd says that the name commonly known is رُحْم [or أُمُّ رُحْمٍ or أُمُّ الرُّحْمِ]: (TA:) or it is أُمُّ الزُّحْمِ [probably, I think, a mistranscription for أُمُّ الرُّحْمِ]. (K, TA.)