From self- + evident.

self-evident (not comparable)

1. Obviously true, and requiring no proof, argument or explanation.
   • 1925 July – 1926 May, A[rthur] Conan Doyle, “(please specify the chapter number)”, in The Land of Mist (eBook no. 0601351h.html), Australia: Project Gutenberg Australia, published April 2019:

     Who were these people who took refuge behind a few honoured but misguided names? What right had they to expect serious men of science to suspend their labours in order to waste time in examining their wild surmises? Some things were self-evident and did not require proof.

• See also Thesaurus:obvious

• self-evidence

• French: l'évidence même
• German: selbstverständlich
• Italian: evidente, lapalissiano, ovvio
• Portuguese: autoevidente, óbvio
• Russian: самоочеви́дный
• Spanish: autoevidente, lógico, evidente