Trichiasis
/trɪˈkaɪ.ə.sɪs/noun
A condition in which the eyelashes grow inward and rub against the eye.
Did you know?Trichiasis comes from Greek trikh- meaning “hair,” and its ending -iasis was used in medical Greek for a pathological condition, so the word itself is built like a diagnosis spell.
Etymological Timeline
Ancient Greek
Greek
thrix, trikhos
“hair”
Ancient Greek
Greek
trikhiasis
“a condition involving hair, especially an abnormal growth or arrangement of the eyelashes”
Late Latin
Latin
trichiasis
“medical term adopted from Greek”
17th–19th Century
English
trichiasis
“a medical term for inward-turning eyelashes that abrade the eye”
Modern English
English
trichiasis
“a condition in which the eyelashes grow inward and rub against the eye”
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