Definition of republic in English:
republic
NOUN
1A state in which supreme power is held by the people and their elected representatives, and which has an elected or nominated president rather than a monarch.
Example sentences
1.1archaic A group with a certain equality between its members.
‘the community of scholars and the republic of learning’
Origin
Late 16th century: from French république, from Latin respublica, from res ‘entity, concern’ + publicus ‘of the people, public’.
Ruling and representing are not the same.
The translation of Re Public is public thing.