كلف

كُلْفَةٌ ذ A difficulty, or difficult affair, or a duty, or an obligation, that one imposes upon himself; (S, K;) or a thing imposed upon one as difficult, troublesome, or inconvenient. (Msb.) See حَبٌّ. ― -b2- [ Constraint, ] trouble, pain, or inconvenience. (MA.)