täyttäsi
The Finnish word "täyttäsi" is the conditional past tense, third-person singular form of the verb "täyttää". The verb "täyttää" has several meanings, including to fill, to fulfill, to complete, or to satisfy. Therefore, "täyttäsi" translates to "would have filled," "would have fulfilled," "would have completed," or "would have satisfied," depending on the context in which it is used.
For example, if someone were discussing a past event where an action could have completed a task,