This is the 2833rd most frequent Korean word.
자국
"자국" means "mark," "trace," or "stain," and can also refer to "one's homeland."
In this sentence, '자국' refers to traces or imprints left on a surface.
눈 내린 땅에 자국이 남아 있었어요.
There were marks left on the snow-covered ground.
Here, '자국' is used to mean one's home country or nation.
그는 한국 자국을 자랑스럽게 여깁니다.
He takes pride in his Korean nationality.
In this instance, '자국' denotes physical marks or scars left on the skin.