This is the 2067th most frequent Korean word.
시간도
"시간도" means "time as well" or "time too" in English.
In this sentence, '시간도' emphasizes that not only other resources might be lacking, but also time is insufficient.
저는 공부할 시간도 부족합니다.
I lack even the time to study.
Here, '시간도' is used to highlight time as one of the important aspects, among others.
시간도 중요하지만, 사람들과의 관계를 소중히 여겨야 합니다.
Time is important, but relationships with people should be valued.
In this case, '시간도' underscores the inability to allocate time specifically for exercising, along with other activities or priorities.