Piṭṭha3 (nt.) [cp. Vedic pṛṣṭha, expld by Grassmann as pra -- stha, i. e. what stands out] back, hind part; also surface, top J i.167 (pāsāṇa˚ top of a rock). Usually in oblique cases as adv., viz. instr. piṭṭhena along, over, beside, by way of, on J ii.111 (udaka˚); iv.3 (samudda˚), loc. piṭṭhe by the side of, near, at: parikhā˚ at a ditch PvA 201; on, on top of, on the back of (animals): ammaṇassa p. J vi.381 (cp. piṭṭhiyaŋ); tiṇa˚ J iv.444; panka˚ J i.223; samudda˚ J i.202. -- assa˚ on horseback  D i.103; similarly: vāraṇassa p. J i.358; sīha˚ J ii.244; haṭṭhi˚ J ii.244; iii.392. See also following.