PIE base ‘to bestow, endow’.
Derivatives include Reality, real, reify, rebus, re ‘concerning’, and republic ‘things, affairs, and matters concerning the people’, from Latin rēs ‘thing’, but not generally agreed among linguists.
[Pokorny *rei-4 : rēi-, ‘thing, possession’, p. 860.]
Glossary terms for this common ancestor to be added.