حَازِبٌ

and ↓ حَزِيبٌ A severe, or distressing, event: plural [apparently of either word] حُزْبٌ, (K,) or, according to MF, حُزُبٌ; and plural of the former word حَوَازِبُ. (TA.)

Also, the former, What falls to one's lot, of work. (TA.)