"eye doctor," 1610s, from French oculiste (16c.), from Latin oculus "an eye" (from PIE root *okw- "to see"). Middle English had oculister (early 15c.) "an authority on the eye and treatment of eye diseases."
octopod
octopus
octoroon
octuple
ocular
oculist
oculus
oda
odalisque
odd
oddball
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