estäsit
estäsit is a Finnish word. It is the second-person singular past active indicative form of the verb "estää." The verb "estää" means to prevent, hinder, stop, or obstruct. Therefore, "estäsit" translates to "you prevented," "you hindered," "you stopped," or "you obstructed" in English.
This verb form is used when referring to an action that a single person (addressed as "you")