a unit used in the past for measuring cloth, equal to about 45 inches or 115 centimetres 埃尔(旧时量布的长度单位,相当于大约 45 英寸或 115 厘米) Word OriginOld English eln, of Germanic origin; from an Indo-European root shared by Latin ulna (see ulna). Compare with elbow and also with cubit (the measure was originally linked to the length of the human arm or forearm).