through
US /θruː/
UK /θruː/

1.
2.
from beginning to end of (a period of time or an event)
:
•
We worked through the night.
•
He stayed with us through the holidays.
3.
by means of (a process or agency)
:
•
He learned English through practice.
•
We communicated through an interpreter.
1.
moving in one side and out of the other side
:
•
The light shone through the window.
•
He pushed the letter through the slot.