étale

== English == === Alternative forms === etale === Etymology === First applied in a mathematical context (in French) by Alexander Grothendieck to étale morphisms, apparently with reference to the phrase mer étale ("the sea at high or low tide"), the connection being that étale morphisms are, in an intuitive sense, calmly behaved or "spread out." === Adjective === étale (not comparable) (mathematics) Such that the natural homomorphism is an isomorphism. == French == === Pronunciation === === Verb === étale inflection of étaler: first/third-person singular present indicative/subjunctive second-person singular imperative