hemiplegia
Meaning
paralysis of one side of the body.
Structure
Usage
the stroke resulted in a left-sided hemiplegia, affecting his arm and leg.
physical therapy is crucial for rehabilitation from hemiplegia.
the doctor diagnosed the infant's condition as congenital hemiplegia.
Etymology
the term 'hemiplegia' is a modern medical compound directly assembled from ancient greek elements. the prefix 'hemi-', meaning 'half', originates from the proto-indo-European root sēmi-, which also gives rise to the latin 'semi-'. the second component, '-plegia', derives from the greek 'plēgē', meaning 'a blow' or 'stroke', which itself comes from the verb 'plēssein', 'to strike'. this literal sense of being struck down evolved metaphorically into the medical meaning of paralysis. thus, the word's construction logically and precisely describes the condition as a paralysis affecting exactly one lateral half of the body, a meaning that has remained consistent since its formation in scientific vocabulary.
Analysis
hemi: from greek 'hēmi-', meaning 'half'. a prefix denoting one half. plegia: from greek 'plēgē', meaning 'a blow, stroke, paralysis'. a combining form denoting paralysis.