This study considers preverb + verb constructions in the g Veda, particularly those for which the meaning has become idiomatized- that is, the meaning is no longer transparently the sum of the individual parts of the verb. Despite apparent idiosyncrasy in these non-compositional meanings, there are nevertheless clear patterns which can be identified both in the behavior of individual preverbs and the behavior of preverbs generally. The Vedic Sanskrit preverbs which were considered for this study are ti, nu, antr, pa, pi, abh, va, , d, pa, n, ns, pr, pri, pr, prti, v, and sm. This study identifies broad patterns of pseudoreversativity, resultativity, and valency-changing constructions among others. The concept of 'construction' which is used in this survey is broadly that of the Construction Grammar framework.