Is the short form of the name Horomsimeh that is used independently. It was spread in XIX c. till now. The others consider that it comes from Arm Hrom "Rome"(there is also Horom locality name in Armenia) so the names Horomsimeh, Horomsima, Horomsim are interpreted as "Rome inhabitant". (The colloquial interpretation of this name is Horom "Rome" + Persian sim "silver").