vitriolum

== Latin == === Alternative forms === vitreolum 🜖 (alchemy) === Etymology === From vitrum (“glass”) + -olum (diminutive suffix). === Noun === vitriolum n (genitive vitriolī); second declension (Medieval Latin) vitriol ==== Declension ==== Second-declension noun (neuter). ==== Descendants ==== → Old French: vitriol → English: vitriol French: vitriol → Norwegian Nynorsk: fiktril (Dovre dialect)