نصب

نِصَابٌ ذ The place of sun-set; مَغِيبُ الشَّمْسِ; (K;) the place to which it returns. (TA.) ― -b2- See مَنْصِبٌ: and نُصُبٌ ― -b3- نِصَابٌ The handle of a knife; (S, K;) in which the سِيلَان is set: (TA:) pl. نُصُبٌ. (K.) ― -b4- نِصَابٌ, of property, (tropical:) The amount which renders it incumbent on the possessor to pay the alms, or tax, called الزَّكَاة: (S, K:) as two hundred dirhems, or five camels, (S,) [or twenty deenárs, or forty sheep or goats. (IbrD.)] So called as being the “ source ” whence the tax comes. (Msb.)