calf
UK[kɑːf]US[kæf]
n
the young of a cow, or of some other large mammals such as the elephant or whale
n
the fleshy back part of the human leg below the knee
Etymology
The word 'calf' has a deep Germanic lineage, tracing back to the Proto-Germanic kalbaz. It is related to similar words in other Germanic languages, such as German 'Kalb' and Dutch 'kalf'. The term originally and primarily referred to the young of domestic cattle. The anatomical sense, referring to the back of the human leg, emerged in Middle English, likely due to a perceived resemblance in shape or perhaps a playful analogy to the young, plump animal. This dual meaning showcases a common pattern where a basic, concrete noun from the natural world is later applied metaphorically to human anatomy.
Analysis
This is a simplex word of Germanic origin. The Old English form was 'cealf', from Proto-Germanic kalbaz.
Examples
The farmer fed the newborn calf with a bottle.
She pulled a muscle in her calf while running.
A cow will often bellow loudly if separated from her calf.