fibula

Japanese: fibula

…It protrudes from the inside of the ankle as the medial malleolus. Fibula (Fibula)Just as the forearm is supported by the radius and ulna, the lower leg is supported by the tibia and fibula. However, in the lower leg, the tibia does not bear most of the mechanical load, and the fibula is weakened like an attachment. …

From [Needle]

...However, it is often unclear whether these decorative pins are pins or hairpins. In the second half of the 2nd millennium BC, in Bronze Age Europe, today's safety pin-type pins (fibula) appeared, making clever use of the elasticity of metal. First, in Northern Europe, pins with separate bow and pin parts appeared, and then in the 1st millennium BC, in Southern Europe, pins with a spring connecting the two were invented, and they became popular through the Iron Age and ancient Greek and Roman times. ...

From [Brooch]

…In addition to those made of metal only, there are also those decorated with jewels and fabrics. In European archaeology, they are called fibula, and are considered important as relics that show the differences in time and region from the Bronze Age to the Middle Ages. Fibula consists of a needle part and a bow part, and many of them have a structure where the tip of the needle rests on the end of the bow part. …

*Some of the terminology that mentions "fibula" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…これは内果(うちくるぶし)として，足首の内側に突出している。腓骨fibula前腕が橈骨と尺骨の2骨で支えられるように，下腿も脛骨と腓骨を支柱とする。しかし下腿では，脛骨が力学的な負荷の大部分をにない，腓骨は添物のように弱小化している。…

【針】より

…ただし，これら飾りピンは留針か笄かはっきりしない場合も少なくない。前2千年紀後半，青銅器時代のヨーロッパに金属の弾性を巧みに利用した今日の安全ピン式留針フィブラfibulaが登場する。初め北欧で弓部と針部と別づくりのものがあらわれ，やがて前1千年紀，南欧で，両者をつなぐ部分をばねにしたものがくふうされて，鉄器時代，古代ギリシア･ローマ時代に及んで盛行する。…