BURNISH

I. transitive verb Etymology: Middle English burnischen, from Anglo-French burniss-, stem of burnir, alteration of Old French brunir, literally, to make brown, from brun Date: 14th century 1. to make shiny or lustrous especially by rubbing, polish 3, to rub (a material) with a tool for compacting or smoothing or for turning an edge, ~er noun ~ing adjective or noun II. noun Date: circa 1647 luster , gloss