The word emerald comes from Vulgar Latin . The word was Esmaralda\/Esmaraldus , a different way of saying the Latin word Smaragdus , which came from the Greek , Ï Î 1\/4 Î Ï Î Î Î Î Ï ( smaragdos ; `` green gem '' ) . The word `` Emerald '' is derived ( via Old French : Esmeraude and Middle English : Emeraude ) , from Vulgar Latin : Esmaralda\/Esmaraldus , a variant of Latin Smaragdus , which originated in Greek : Ï Î 1\/4 Î Ï Î Î Î Î Ï ( smaragdos ; `` green gem '' ) ; its original source being either the Hebrew word -- ' `` izmargad meaning `` emerald '' or `` green '' or the Sanskrit word à à à -- à à à à marakata meaning `` green . ''