Eru has different meanings: · Eru Ilúvatar, the Elvish name for God in J. R. R. Tolkien's Middle-earth legendarium · Eru , a Cameroonian vegetable prepared from either of two creeping plant species · Eru , a South Korean singer and son of trot singer Tae Jin Ah · Syd Eru, a rugby player of New Zealand · Eru, a location the The Lone Wolf series · Gnetum africanum or Gnetum buchholzianum. · eru is the Indo-European copula in Old Norse ERU can refer to: · Emission Reduction Unit, a credit giver under Joint Implementation equivalent to one tonne of CO2 reduction · Emergency Response Unit , specialist firearm team of An Garda Síochána. Similar to United States SWAT units · Eastern Rugby Union; see also Eastern Pennsylvania Rugby Union EruERUERUEru