خَمْسُونَ

[Fifty, and fiftieth,] is also written and pronounced خَمِسُونَ, with kesr to the خَمَسُونَ, by poetic license, as related by Ks; or م, with fet-h, as related by others, after the manner of خَمْسَةٌ and خَمَسَاتٌ: (Fr, TA:) according to the T, the variation خَمِسُونَ, with kesr to the م, is [dialectic, being] similar to خَمْسَ عَشِرَةَ, with kesr to the ش [in the dialect of Nejd]. (TA.)