Gawwa
ghaṭṭa- (or ghaṭṭaya , MIndic for ghaṭṭaka), prob. polishing-stone : in Mv iii.81.12 ( vs ) (bhavanāni rākṣasīnāṃ …) ghaṭṭaya-vimaṣṭaka (? mss. ghaṭṭapa-vi°; Senart em. ghaṭṭa-parimṛṣṭaka), prob. (the palaces of the ogresses were …) polished with polishing-stones ( cf. AMg. ghaṭṭaga, stone for polishing ; Pkt. , acc. to Ratnach. Deśī , ghaṭṭanaka, id. ); or possibly ( cf. JM. ghaṭṭa, = gāḍha, nibiḍa), polished hard, vigorously .