มหึมา • (má-hʉ̀-maa) (abstract noun ความมหึมา)
From Sanskrit महिमा (mahimā, “greatness”). Compare Old Khmer mahimā, mahmā, muḥhīmā, moḥhimā, "great; majestic; mighty; etc."; Modern Khmer មហិមា (môhĕméa).