دَهِمَهُمْ

(S, Msb) and دَهَمَهُمْ, (Msb,) aorist دَهَمَ , (S, Msb,) verbal noun دَهْمٌ, (TA,) It (an event, S, Msb) came upon them, or happened to them, suddenly, unexpectedly, without their being aware of it, or without any previous cause; surprised them; took them by surprise, or unawares: (Msb:) or دَهَمَكَ and دَهَمَكَ, aorist دَهَمَ , it (anything) came upon thee so as to overwhelm thee, or cover thee, or as a thing that overwhelmed thee, or covered thee. (Th, K.) And دَهِمَتْهُمُ الخَيْلُ [The horsemen came upon them suddenly, &c.]: and AO says that دَهَمَتْهُم is a dialect var. thereof. (S.) See also دَهْمٌ, below.