A person who blinks frequently or has weak eyesight; someone who is easily dazzled or lacks vision.
Formed from 'blink' (to close and open eyes quickly) plus the agent suffix '-ard' (meaning a person inclined to do something). This archaic term dates back to Middle English and reflects older patterns of naming character types by their habits.
Shakespeare used similar '-ard' words to describe personality types (drunkard, dotard), showing how English speakers invented new insult-words by adding this suffix to verbs—it was how you called someone out in the 1500s!
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