fortuitously

US /fɔːrˈtuː.ə.t̬əs.li/
UK /fɔːrˈtuː.ə.t̬əs.li/
1.

một cách tình cờ

in a way that happens by chance rather than being planned, and is to your advantage:

:
This has come very fortuitously, when we most need it.