An Ascian dagger was a bladed throwing weapon. Alliance to Restore the Republic Infiltrator Harovan Toth was adept at using them.[1] They were named after Ascian, a binary star system, from were they supposedly originated.[2]
Sources
"Cracken's Rebel Operatives" — Star Wars Adventure Journal 11 (First mentioned)- Fly Casual (First identified as Ascian throwing dagger)