The story
- Old English · inherited fromrihtwīsnes“justice”
- Middle English · inherited fromrightwisnes
- English todayrighteousness
Corruption of earlier rightwiseness, from Middle English rightwisnes, from Old English rihtwīsnes (“justice”). By surface analysis, righteous + -ness.
Words from the same roots
Middle Englishrightwisnes all →
rightwiseness
Old Englishrihtwīsnes all →
rightwiseness
Etymology from Wiktionary, CC BY-SA 4.0.