Where does “cataractous” come from?

cataractous (English) comes from English cataract, from Middle English cataract, from Middle Dutch cataracte, from Latin cataracta, from Ancient Greek καταράκτης, from Ancient Greek καταράσσω, from Ancient Greek κατα-, from Ancient Greek κατά — to be/become dry; to burn, to glow; hearth.

cataractous (English): Of the nature of a cataract in the eye; Affected...

Definitions

  1. Of the nature of a cataract in the eye; Affected...

Ancestry of “cataractous”, step by step

cataractous traces back through two separate lines of ancestry.

via English cataract

StepLanguageWordMeaning
1EnglishcataractA waterspout; A large waterfall; steep rapids in...
2Middle Englishcataractcataract; A gate guarding the entrance to Heaven
3Middle Dutchcataracte
4Latincataractawaterfall; drawbridge, portcullis
5Ancient Greekκαταράκτης
6Ancient GreekκαταράσσωI pour down; pour down
7Ancient Greekκατα-back; downwards; against
8Ancient Greekκατά
9Ancient Greekκαταστερίζωto place among the stars; I put among the stars
10Ancient Greekἀστήρa celestial body; illustrious person; starfish
11Proto-Hellenicastḗrstar
12Proto-Indo-Europeanh₂stḗrstar
13Proto-Indo-Europeanh₂eHs-to be/become dry; to burn, to glow; hearth

via English ous

StepLanguageWordMeaning
1Englishousplural of ou
2EnglishouA probably extinct species of Hawaiian...
3AfrikaansouAn old fellow, guy, bloke; attributive form of...
4Dutchoudold
5Middle Dutchoutold
6Old Dutchald
7Proto-West Germanicaldold
8Proto-Germanicaldazold, grown up
9Proto-Indo-Europeanh₂eltós
10Proto-Indo-Europeanh₂él-to grow, nourish
Every word from Proto-Indo-European h₂eHs-Every word from Proto-Indo-European h₂stḗrEvery word from Proto-Hellenic astḗr