protestant

protestant · adjective, noun¹

See Protestant. The legal sense either has the same source or is simply protest + -ant.

Protestant · noun, adjective²

1. Proto-Indo-European*per-der.?
2. Proto-Indo-European*pér
3. Proto-Indo-European*pró
4. Proto-Indo-European*pro-
5. Proto-Italic*pro-
6. Latinprō-
7. Proto-Indo-European*tri-
8. Proto-Indo-European*steh₂-
9. Proto-Indo-European*trito-sth₂-o-s
10. Proto-Italic*tristos
11. Latin*terstis
12. Latintestis
13. Latintestor
14. Latinprōtestārī
15. Frenchprotester
16. Germanprotestieren
17. GermanProtestant
18. Frenchprotester
19. GermanProtestantinflu.
20. Frenchprotestant
21. English todayProtestant

Borrowed from either German Protestant or French protestant, one likely reinforced by the other; equivalent to protest + -ant.