English · Greetings & Phrases
when
/wɛn/
[/wɛn/]
at the time that
Beginnerconjunction
Definition
At or during the time that something happens.
Example
Call me when you arrive so that I know you are safe.
Call me when you arrive so that I know you are safe.
Etymology
From Old English "hwanne," at what time.
How & Where It’s Used
Marks the time of an event; also a question word.