Shiva Purana
तृणस्तंबेन सा स्पृष्टा पपात पृथिवीतले ॥ मृता च तत्क्षणादेव तदृषेः पश्यतस्तदा ॥ ३२ ॥
No sooner was it touched by the blades of grass than the cow fell down dead even as the sage was watching it.
english translation
tRNastaMbena sA spRSTA papAta pRthivItale ॥ mRtA ca tatkSaNAdeva tadRSeH pazyatastadA ॥ 32 ॥
hk transliteration by Sanscript