niṭṭhurin

adjective rough, hard, cruel, merciless Snp.952 (a˚; this reading is mentioned as variant reading by Bdhgh at Snp-a.569, & the reading; anuddharī given; vv. ll SS anuṭṭhurī, BB anuṭṭharī, explained as anissukī Mnd.440 however has aniṭṭhurī with expln of nitthuriya as under issā at Vb.357).

Sk. niṣṭhura or niṣṭhūra, ni + thūra = thūla; cp. Prk. niṭṭhura