- cataract=الكاتاراكت
- ONLINE ETYMOLOGY DICTIONARY:
- cataract (n.)
- early 15c., from Latin cataracta "waterfall," from Greek katarhaktes "waterfall, broken water; swooping, rushing down; portcullis," noun use of adjective from kata "down" (see cata-) + arhattein "to strike hard." Its alternative sense in Latin of "portcullis" probably was passed through French to form the English meaning "eye disease" (early 15c.), on the notion of "obstruction."
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