This is the 12436th most frequent Korean word.
당도
"당도" means "sweetness level" or "arrival/deposit," depending on context.
In this sentence, '당도' is used to refer to the sweetness level of a consumable fruit.
이 사과의 당도가 아주 높아요.
This apple's sweetness level is very high.
Here, '당도하다' as derived from '당도' relates to arriving or reaching a state or place.
그 문제에 대해 당도하는 시간이 필요해요.
Time is needed to arrive at handling that issue.
In this context, '당도' signifies the concentration of sweetness in a liquid.