Greek calends

== English == === Alternative forms === Greek kalends === Etymology === Calque of Latin ad kalendās Graecās; unlike the Roman calendar, the Greek calendar had no calends. === Noun === Greek calends pl (plural only) (idiomatic) A time that never occurs; never; when pigs fly. ==== Usage notes ==== Used after a preposition such as at, on, or till. ==== Translations ==== === References === John Camden Hotten (1873), The Slang Dictionary