نصاب

niṣāb[inf. n. of ناصب , iii of نصب 'to erect, establish,' etc.), s.f. A certain estate, or number of cattle, for which the poor-rate or a tax is paid;—root, origin, principle;—capital, principal; property;—dignity;—fortune:—niṣābu`ṣ-sibyān, 'The capital-stock of children,' title of an Arabic vocabulary with a Persian translation in rhyme.