This is the 492nd most frequent Persian word.
زیرا
"زیرا" means "because."
In this sentence, 'زیرا' introduces the reason for the main action, providing the cause or purpose.
من به مدرسه آمدم زیرا که باید ریاضی بیاموزم.
I came to school because I need to learn mathematics.
Here, 'زیرا' connects the action with its immediate reason or necessity.
زیرا که باران میبارد، چتر استفاده میکنم.
I use an umbrella because it is raining.
'زیرا' is used to explain the rationale or circumstance leading to the stated outcome.