"takeaway UK noun [ C ] (US takeout) a meal cooked and bought at a shop or restaurant but taken somewhere else, often home, to be eaten, or the shop or restaurant itself"
Hi nona, First, I wrote the same as you, but then I changed my mind and I wrote what you can see above.
Why shop, NOT food from the shop?
You get food poisoning from the restaurant / bars/ cafes/shops but you are poisoned by/with sosages or maybe by toxins from food, am I right? Is that the explanation?