足そっ根こん骨こつ

そ

っ

こ

ん

こ

つ

Meanings

1

noun

tarsus; tarsal bones

Anatomical term for the cluster of bones in the ankle, between the lower leg and the metatarsus.

leg, foot, be sufficient

根root, radical, head (pimple)

骨skeleton, bone, remains

足そっ根こん
足根 refers to the tarsus as a region, while 足根骨 specifically refers to the bones themselves.
中ちゅう足そっ骨こつ
中足骨 are the metatarsal bones, which are distal to the tarsal bones.

Compound of 足根 (tarsus) and 骨 (bone). The reading そっこんこつ follows standard on'yomi patterns.