An Etymological Dictionary of the German Language/vergattern

by Friedrich Kluge

vergattern, vb., ‘to enclose with trellis-work, assemble (soldiers) by beat of drum,’ from late MidHG. (LRhen.) vergatern, ‘to assemble.’ Properly a LG. word; comp. Du. vergaderen, to which the cognates of E. to gather (see Gatte) are connected. —