footstool (also stool)

n low stool for resting the feet on when sitting in a chair 脚凳（坐时垫脚的矮凳）.

football pitch, footbrake, footfall, foothill, foothold, footing, footle, footlight, footlights, footling, footloose, footman, footmark, footnote, footpath, footplate, footprint, footsie, footsore, footstep, footway, footwear, footwork, fop, foppish, for, for (the) purpose of, for a moment, for a while, for ages, for all that, for another two days, for certain, for ever, for example, for fear of, for fear that, for good, for instance, for lack of,