تِهَامِىٌّ

Of, or belonging to, Tihámeh; as also ↓ تَهَامٍ, (T, S, M, Msb, K, [in the CK, erroneously, تَهامٌ,]) with fet-h, (Msb, K,) irregularly formed; (M, Msb;) feminine تَهَامِيَةٌ; like رَبَاعٍ and رَبَاعِيَةٌ: (T, Msb:) when it is pronounced with fet-h to the ت, it is without teshdeed [to the ى when you say التَّهَامِى and تَهَامِيَةٌ]; as in the instances of رَجُلٌ يَمَانٍ and شَامٍ, except that the ا in تَهَامٍ is of the original word, and that in يَمَانٍ and شَامٍ is a substitute for the two ى of the [regular] rel. n., (S,) or rather, for one of those two ى: (Aboo-Zekereeyà, TA:) and you say قَوْمٌ تَهَامُونَ [A people, or company of men, of Tihámeh], like يَمَانُونَ: (S, K:) and according to Sb, some say تَهَامِىٌّ and يَمَانِىٌّ and شَامِىٌّ, with fet-h, and with teshdeed [to the ى]. (S.)