It is narrated from Sayyiduna Murrah al-Bahzi (may Allah be pleased with him) that he said: "I heard the Messenger of Allah (peace and blessings be upon him) saying: al-Ramlah means al-Rabwah (that is, an elevated place)."
This hadith is narrated from Sayyiduna Murrah (may Allah be pleased with him) only with this chain, and Abbad bin Abbad (may Allah have mercy on him) is alone in narrating it.
Hadith Referenceالمعجم الأوسط / باب الميم / 6695
Hadith Takhrij«أخرجه الطبراني فى «الكبير» برقم: 754»