विवर

Etymology
From the root.

Noun

 * 1) a fissure, hole, chasm, slit, cleft, hollow, vacuity (also applied to the apertures of the body and to gaping wounds)
 * 2) intermediate space, interstice
 * 3) difference
 * 4) a breach, fault, flaw, vulnerable or weak point
 * 5) harm, injury
 * 6) expansion, opening, widening
 * 7) a particularly high number