"leaving home to go to work"? 출근
출근(出勤)은 한자어 입니다. A word made of two chinese characters. Therefore, you can deduce a meaning out of words like these. Let's look at the word, character by character.
出(날 출) - 나다(sprout), 나가다(leave, go out), 떠나다(leave, depart), 내쫓다(kick sb. out, expel)
勤(부지런할 근) - 부지런하다(industrious), 근무하다(work), 힘쓰다(make an effort)
출근 - 일을 나가다 (leave for work)
出勤 = (leave for)(work)