跖骨

跖骨	zhí gǔ	metatarsal bones; metatarsus
跖	zhí	variant of 跖
跖	zhí	metatarsus / (literary) sole of the foot / (literary) to tread on
骨	gū	used in 骨碌碌 / used in 骨碌
骨	gǔ	bone