This is the 12340th most frequent Swedish word.
sittandes
"Sittandes" in Swedish means "sitting."
Here, 'sittandes' is used as a present participle to describe someone in the act of sitting as part of the scenery or situation.
Jag såg henne sittandes på en bänk i parken.
I saw her sitting on a bench in the park.
In this example, 'sittandes' portrays the manner in which the subject entered the room, connecting the action to an ongoing state.
Han kom in i rummet, sittandes på sin rullstol.
He entered the room, sitting in his wheelchair.
Here, 'sittandes' conveys the position in which the children were left, emphasizing their sitting posture during said situation.