approach, undertaking, taking up; clinging to, attachment, only as adj. (-˚) in an˚; (anûpaya metri causā) not going near, aloof, unattached SN.i.141, SN.i.181; SN.ii.284; Snp.786, Snp.787, Snp.897 (cp. Snp-a.558); and in rūpūpaya (vv.ll. rūpupaya & rūpupāya “clinging to form” (etc.) SN.iii.53 = Mnd.25 = Cnd.570 (+ rup’ārammaṇa).

fr. upa + i, cp. upāya