This expression is used when the movement described in the preceding clause is a means or method by which, or a reason why, some action or situation occurs in the following clause.
It is comprised of the verb nominalizer form -(으)ㅁ and the particle 으로써, which indicates a means or method.
It is often used in written language.
Kimchi Reader
This form shows how something happens or is done using a certain method or way.
Examples
고기를 <span class='focus'>식칼로써</span> 토막을 내요.
Cut the meat into pieces with a knife.
학생들이 <span class='focus'>토론으로써</span> 문제를 해결했어요.
The students solved the problem through discussion.
<span class="speaker-a">가:</span> 어제 텔레비전에 가수 이명민 씨가 나온 거 봤어요?<br><br><span class="speaker-b">나:</span> 네, 봤어요. 백 명이 넘는 가난한 아이들을 도와주고 있다는 얘기가 참 감동적이더 라고요.<br><br><span class="speaker-a">가:</span> 한 달에 2〜3만 원 정도를 기부<span class='focus'>함으로써 </span>빈곤층 아이들의 삶을 변화시킬 수 있다잖아요.<br><br><span class="speaker-b">나:</span> 네, 하루에 커피 한 잔 값을 <span class='focus'>아낌으로써</span> 누군가의 삶을 달라지 게 하는 건 정말 멋진 일인 것 같아요.
가: Did you see the singer Lee Myeongmin appear on TV yesterday? 나: Yes, I saw him. I was very moved by his story about helping over 100 poor children. 가: He said that by donating about 20,000 to 30,000 won per month, you can change the lives of children living in poverty. 나: Yes, the fact that by sparing the price of one cup of coffee per day, you can alter the someone's life is really a wonderful thing.