cupel/ˈkjuːpəl/EtymologyBorrowed from French coupelle, from Medieval Latin cūpella, from Latin cūpa (“cask”) + -ella (“-elle: forming feminine diminutives”). Equivalent to cup + -el.cupel means A small circular receptacle used in assaying gold or silver with lead. Lexicurio rates it Sui generis — a strength score of 85 out of 100.nounA small circular receptacle used in assaying gold or silver with lead.verbTo refine or assay using a cupel.