foldstool
A folding stool or collapsible seat.
Handibasket with foldstool
Where it comes from
Borrowed from Medieval Latin faldistōlium, from Proto-West Germanic *faldistōl. By surface analysis, fold + stool. Doublet of faldistory, faldstool, and fauteuil.
Adapted from the Wiktionary entry foldstool (CC BY-SA 4.0).