incidentally
US /ˌɪn.sɪˈden.t̬əl.i/
UK /ˌɪn.sɪˈden.t̬əl.i/

1.
그런데, 우연히
by the way; by chance
:
•
Incidentally, I saw your brother at the store yesterday.
그런데, 어제 가게에서 네 동생을 봤어.
•
The discovery was made quite incidentally during another experiment.
그 발견은 다른 실험 중에 꽤 우연히 이루어졌다.