happenstance
/ˈhæpənstæns/noun
mass noun
- chiefly N. Amer. coincidence〈主北美〉巧合, 偶然事件：
it was just happenstance that I happened to be there
我出现在那里只是巧合
count noun an untoward happenstance for Trudy.对特鲁迪不利的偶发事件。
词源
late 19th cent.: blend of HAPPEN and CIRCUMSTANCE.