fibula
UK[ˈfɪbjʊlə]US[ˈfɪbjələ]
n
the outer and usually smaller of the two bones between the knee and the ankle in the leg of a person or animal.
n
a brooch or clasp used in ancient greece and rome, often shaped like a modern safety pin.
Etymology
the word 'fibula' entered english in the late 16th century directly from latin, where it meant 'clasp, brooch, pin'. this latin term is believed to be derived from the verb figere, meaning 'to fix, fasten', which itself originates from the proto-indo-european root dʰeygʷ-, 'to stick, set up'. the anatomical sense, referring to the thinner bone of the lower leg, emerged from a metaphorical comparison: just as a clasp or pin fastens a garment, the fibula was seen as 'fastening' or stabilizing the tibia (the larger shinbone). this elegant shift from a functional object to a structural bone illustrates how ancient descriptive logic shapes modern scientific terminology.
Analysis
the word is a direct loanword from latin and is considered a simplex form in english. it does not lend itself to segmentation into meaningful substrings (like 'fib' + 'ula') that are productive or transparent for modern learners.
Examples
the x-ray showed a clean fracture in his fibula.
in classical archaeology, a fibula is an important artifact for dating sites.
the surgeon inserted a metal plate to stabilize the broken fibula.