This is the 3347th most frequent Turkish word.
kalktı
"Got up" or "stood up."
The word 'kalktı' here is used to signify departure, specifically as the bus starting its journey.
Otobüs sabah erken kalktı.
The bus departed early in the morning.
The word 'kalktı' in this context means 'stood up,' describing someone rising from a seated position.
Adam oturduğu yerden kalktı.
The man stood up from where he was sitting.
In this sentence, 'kalktı' means 'took off,' referring to the helicopter launching into flight.