enrouiller

== French == === Etymology === From en- +‎ rouille +‎ -er. === Pronunciation === === Verb === enrouiller (rare, transitive) to rust, rust up Synonym: (more common) rouiller ==== Conjugation ==== === Further reading === “enrouiller”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012