غَزَالٌ
A gazelle!
When a hunter spots an animal and must alert a companion immediately, he may shout only “Ghazāl!” rather than pronounce “This is a gazelle.” The visible animal and the urgent setting supply what remains unspoken.
This is fear of losing an opportunity. Both distress and urgency may produce brief speech, but their causes differ: emotional pain in the first, immediate action in the second.