republican

republican · adjective, noun¹

1. Proto-Indo-European*(H)reh₁-
2. Proto-Indo-European*(H)reh₁ís
3. Proto-Italic*reis
4. Latinrēs
5. Proto-Italic*poplos
6. Old Latinpoplus
7. Old Latinpoplicus
8. Latinpūblicus
9. Latinpūblica
10. Latinrēspūblica
11. Latinrēpūblicā
12. Middle Frenchrepublique
13. Englishrepublic
14. Frenchrépublicain
15. English todayrepublican

From republic + -an, partly after French républicain.

Republican · adjective, noun, proper noun²

1. Proto-Indo-European*(H)reh₁-
2. Proto-Indo-European*(H)reh₁ís
3. Proto-Italic*reis
4. Latinrēs
5. Proto-Italic*poplos
6. Old Latinpoplus
7. Old Latinpoplicus
8. Latinpūblicus
9. Latinpūblica
10. Latinrēspūblica
11. Latinrēpūblicā
12. Middle Frenchrepublique
13. Englishrepublic
14. Frenchrépublicain
15. Englishrepublican
16. English todayRepublican

From republican (“favoring a republic”).

First known use, by meaning

• from 17th c. Advocating or supporting a republic as a form of government, advocating or supporting republicanism.
• from 17th c. Of or belonging to a republic.
• from 17th c. Someone who favors a republic as a form of government.