pāṭikā

half-moon stone, the semicircular slab under the staircase Vin.i.180 (cp. Vin. Texts ii.3). As pāṭiya at Ja.vi.278 (= piṭṭhi-pāsāṇa C.).

etym. unknown; with pāṭiya cp. Sk. pāṣya?