nervus spinalis motor nerve ventral horn anterior root anterior horn efferent spinal nerve efferent nerve

dorsoventral

adaxial

adventitious root taproot calamus parsnip plant organ cocoyam rootage chicory horseradish root carrot bark mandrake root cap mandrake root licorice root dasheen root system sarsaparilla root eddo manioc rootlet prop root horseradish radish briarroot Hottentot bread salsify Hottentot's bread taro root hair orris cassava ginseng senega parenchyma chicory root orrisroot oyster plant pneumatophore

stem radical word form theme descriptor form signifier root word base

grow

point source point of departure rootage point fountainhead headwater spring place of origin wellspring beginning origin cradle headspring trailhead wellhead home birthplace source derivation provenance jumping-off place head trail head provenience

set solution

cube root number square root

word form descriptor form signifier etymon