This is the 14087th most frequent Korean word.
먹으니
"먹으니" means "as/when (someone) eats" or "because (someone) eats."
The word '먹으니' is used to describe the act of taking medicine, implying a cause-and-effect relationship.
그가 약을 먹으니 나아지기 시작했다.
As he took the medicine, he started to feel better.
Here, '먹으니' connects the action of eating warm soup to the resulting feeling of warmth.
따뜻한 국을 먹으니 몸이 따뜻해졌다.
Having eaten the warm soup, my body felt warmer.
In this sentence, '먹으니' shows how eating spicy food leads to the consequential experience of spiciness.