eyeball
UK[ˈaɪbɔːl]US[ˈaɪbɑːl]
n
the round part of the eye that is inside the eyelids and socket.
v
to look at someone or something closely, especially in an aggressive or suspicious way.
Morpheme Breakdown
eye
ball
eye
organ of sight
ball
spherical object
Etymology
the word 'eyeball' is a transparent compound formed from two ancient germanic roots. the first element, 'eye', descends directly from old english 'ēage', which itself can be traced back to the proto-indo-european root okʷ- meaning 'to see', also the source for latin 'oculus'. the second element, 'ball', entered english from old norse 'bǫllr', meaning a rounded mass, a concept with a shared germanic ancestry. the compound logically and visually fuses these elements, naming the organ by its most prominent spherical feature. this literal descriptor, first recorded in the late 16th century, later evolved a verbal sense in 20th-century american slang, extending the physical act of looking with the eye into an intense, scrutinizing gaze.
Analysis
Structure: eye (organ of sight) + ball (spherical object)
eye: from old english ēage, of germanic origin; related to dutch oog and german auge, from an indo-european root shared by latin oculus. functions as the core noun denoting the organ.
ball: from old norse bǫllr, of germanic origin; related to old english bealluc (testicle) and modern english ball. functions as a noun, here used metaphorically to describe the shape.
Examples
the doctor shone a light into the patient's eyeball to check for damage.
the two rivals eyeballed each other from across the room before the fight began.
the graphic design required a detailed illustration of a human eyeball.