fall to

US /fɔːl tə/
UK /fɔːl tə/
"fall to" picture
1.

to begin to do something, especially to eat or work with enthusiasm

:
After a long hike, they were ready to fall to the delicious meal.
The team decided to fall to work immediately on the new project.
2.

to become the responsibility of someone

:
The task will fall to the newest member of the team.
It often falls to the eldest child to care for aging parents.