This is the 98th most frequent Polish word.
jeśli
"If."
Conditional conjunction initiating a proposition depending on a person's desire.
Jeśli chcesz, możemy iść na spacer.
If you want, we can go for a walk.
Conditional conjunction allowing for an action depending on a specific circumstance.
Zapytaj mnie, jeśli masz pytania.
Ask me if you have questions.
Conditional conjunction introducing a result dependent on a potential situation.