to investigate, ascertain, test, examine MN.i.133, MN.i.292, MN.i.443; SN.ii.216; SN.iii.42, SN.iii.140; SN.iv.174; Ja.i.489 Ja.ii.400; Ja.v.235; Mil.91, Mil.293; Dāvs v.27; Sdhp.539; Pv-a.60 (paññāya u. = ñatvā), Pv-a.140 (= viceyya).

upa + pari + īkṣ; cp. BSk. upaparīkṣate Divy.5, Divy.230