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English word righteous comes from Middle English rightwise (Upright, righteous Rightly (correctly or justly).)
rightwise (Middle English)
Upright, righteous Rightly (correctly or justly).
rightwise (English)
(rare) Rightly (correctly or justly); rightfully. (rare) By a rightward path; rightwards, rightwardly; clockwise (in a clockwise manner). [13th-16th century] (rare) Clockwise, moving clockwise.. (rare) Rightward (to or from the right side); on the right side. (rare).
righteous (English)
(slang, US) Awesome; great.. Free from sin or guilt.. Justified morally.. Moral and virtuous, suggesting sanctimonious. To make righteous; specifically, to justify religiously, to absolve from sin.