The Grail or Holy Grail is present multiple cultures and religions. It generally represents the search for a treasure of infinite abundance. The term "holy grail" is often used to denote an elusive object or goal that is sought after for its great significance

The word graal, as it is earliest spelled, comes from Old French graal or greal, cognate with Old Provençal grazal and Old Catalan gresal, meaning "a cup or bowl of earth, wood, or metal" (or other various types of vessels in different Occitan dialects).

The most commonly accepted etymology derives it from Latin gradalis or gradale via an earlier form, cratalis, a derivative of crater or cratus, which was, in turn, borrowed from Greek krater (κρᾱτήρ, a large wine-mixing vessel).

In the 15th century, English writer John Hardyng invented a fanciful new etymology for Old French san-graal (or san-gréal), meaning "Holy Grail", by parsing it as sang real, meaning "royal blood".

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