adjective monstrous dreadful, enormous, “of the size of a large cloud (thus C. on SN.i.205 & Ja.iii.309) SN.i.205 = Thag.652 (variant reading abbha˚ & abbhāmutta) = Ja.iii.309 (variant reading ˚mutta).
abbhā + matta (?) according to the Pāli Com.; but more likely = Vedic abhva huge, enormous monstrous, with ā metri causa. On abhva (a + bhū what is contradictory to anything that is) cp. abbhuta abbhuṃ, and see Walde, Lat. Wtb. under dubius