adverb near, close by (with acc.); depending on, by means of (acc) MN.ii.3; SN.ii.269; Snp.867 (taṃ), Snp.901 (tāpa˚), Snp.978, Pv-a.9 (Rājagahaṃ), Pv-a.67 (id.) Vv-a.63 (Rājagaha-seṭṭhiṃ “with”). Cp. BSk. upaniśritya also a ger. formation, in same meaning, e.g. at Divy.54 Divy.207, Divy.505.
ger. of upanissayati, cp. nissayati in same use & meaning