Axiom

Etymology. The word axiom comes from the Greek word ἀξίωμα (axíōma), a verbal noun from the verb ἀξιόειν (axioein), meaning "to deem worthy", but also...

axiomatic (adj.) "of the nature of a self-evident truth," 1797, from Greek axiomatikos, from axioma (genitive axiomatos); see axiom. The form axiomati...