(confer, compare √विज्) class7 Parasmaipada Atmane-pada (Dha1tup. xxix, 5) विन्/अक्ति, विङ्क्ते (2. sg. विवेक्षि fg-veda vii, 3, 4; perfect tense विवेच AV., page and participle विविक्व्/अस् fg-veda Aorist अवैक्षीत् grammar; future वेक्ता, वेक्ष्यति ibidem; infinitive mood वेक्तुम् MBh.; indeclinable -विच्य . -वेचम् S3rS. Ka1v.), to sift, separate (especially grain from chaff by winnowing) fg-veda AV.; to separate from, deprive of (instrumental case) Bhat2t2.; to discriminate, discern, judge fg-veda iii, 57, 1 : Passive voice विच्य्/अते (Aorist अवेचि) AV. etc.: Causal -वेचयति (Aorist अवीविचत्) see वि-√विच् : Desiderative विविक्षति grammar : Intensive (or class3. see Dha1tup. xxv, 12) वेवेक्ति Kaus3. [confer, compare Greek εἴκω; Latin vices etc.]
Source: Monier-Williams