renvoyer aux calendes grecques

== French == === Etymology === Calque of Latin ad kalendās Graecās. === Pronunciation === IPA(key): /ʁɑ̃.vwa.je o ka.lɑ̃d ɡʁɛk/ === Verb === renvoyer aux calendes grecques (transitive) to postpone indefinitely Synonym: reporter sine die ==== See also ==== quand les poules auront des dents semaine des quatre jeudis