ක්ලේශය, n. any passion, desire or evil affection, අභිලාෂය, කෙලෙස්; sorrow, affliction, care, දුක. B. teaches that ක්ලේශය or desire is the root of all sin and sorrow, and renders transmigration and continued existence inevitable until all ක්ලේශ are subdued and exterminated; when that is accomplished නිර්වාණ or non-existence is attained. The non-attainment of it,—that is, continued conscious existence,—is regarded as a calamity, and it is the supreme object of B. and its laws and observances to effect the extermination of ක්ලේශ.