The word bomb comes from the Greek word Î Ï Î 1\/4 Î Î Ï ( bombas ) , an onomatopoeic term with almost the same meaning as `` boom '' in English . The word comes from the Latin bombus from the Greek Î Ï Î 1\/4 Î Î Ï ( bombos ) , an onomatopoetic term meaning `` booming '' .