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The Romans had many words for varieties of blue, including caeruleus, caesius, glaucus, cyaneus, lividus, venetus, aerius, and ferreus, but two words, both of foreign origin, became the most enduring; blavus, from the Germanic word blau, which eventually became bleu or blue; and azureus, from the Arabic word lazaward, which became azure.
The ancient Greeks classified colors by whether they were light or dark, rather than by their hue. The Greek word for dark blue, kyaneos, could also mean dark green, violet, black or brown. The ancient Greek word for a light blue, glaukos, also could mean light green, grey, or yellow. [17] The Greeks imported indigo dye from India, calling it ...
This list of Latin and Greek words commonly used in systematic names is intended to help those unfamiliar with classical languages to understand and remember the scientific names of organisms. The binomial nomenclature used for animals and plants is largely derived from Latin and Greek words, as are some of the names used for higher taxa , such ...
This word was adapted as the French iode, which is the source of the English "iodine". [42] Xenon (Xe) 54 ξένος (xenos) Greek "foreign" From the Greek adjective ξένος (xenos): "foreign", "a stranger". Caesium (Cs) 55 caesius: Latin "blue-gray" [43] or "sky blue" descriptive (colour) From Latin caesius, which means "sky blue". Its ...
After the Roman era, Egyptian blue fell out of use and, thereafter, the manner of its creation was forgotten. In modern times, scientists have been able to analyze its chemistry and reconstruct how to make it. The ancient Egyptian word wꜣḏ signifies blue, blue-green, and green.
From the Persian, the Arabic لازورد lāzaward is the etymological source of both the English word azure (via Old French azur) and Medieval Latin lazulum, which came to mean 'heaven' or 'sky'. To disambiguate, lapis lazulī ("stone of lazulum ") was used to refer to the stone itself, and is the term ultimately imported into Middle English ...
The word vitriol comes from the Latin word vitriolus, meaning "small glass", as those crystals resembled small pieces of colored glass. Oil of vitriol was an old name for concentrated sulfuric acid, which was historically obtained through the dry distillation of vitriols. The name, abbreviated to vitriol, continued to be used for this viscous ...
Roman bronze, then later copper, coin used during the Augustine period equal in value to 1/4 of a sestertius. At that time the daily wage of a Roman laborer was equal to three sestertius. Astragal Molding profile composed of a half-round surface surrounded by two flat planes (fillets). An astragal is sometimes referred to as a miniature torus.