Oinarri

Oinarri is a Basque noun meaning "basis" or "foundation." It denotes the underlying support or justification for a claim, plan, or structure.

The term is used across multiple domains, including philosophy, science, law, education, and everyday speech, to indicate the fundamental conditions, principles, or premises on which something rests. In abstract discussion, oinarria may refer to foundational concepts or axioms; in practical contexts, it can denote essential resources, prerequisites, or conditions that enable a project or organization to operate.

In Basque-language discourse, oinarri is a common, widely understood term. It appears in formal texts such as academic writing, policy documents, as well as media and everyday conversation. The concept carries connotations of stability, coherence, and legitimacy that come from having a solid foundation.

Etymology and regional use: Oinarri is native to the Basque language. It is used across Basque-speaking regions, primarily in the Basque Country, which spans parts of northern Spain and southwestern France. The word reflects the Basque emphasis on foundational reasoning in culture, education, and public discourse.