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English word spirit level comes from English spirit
spirit (English)
(alchemy, obsolete) Any of the four substances: sulphur, sal ammoniac, quicksilver, and arsenic (or, according to some, orpiment).. (dyeing) stannic chloride. (obsolete) A rough breathing; an aspirate, such as the letter h; also, a mark denoting aspiration.. (obsolete) Air set in motion by breathing; breath; hence, sometimes, life itself.. (usually, in the plural) A volatile liquid, such as [...]
spirit level (English)
(tool) A tool employing a chamber with a colored liquid (usually alcohol, hence spirit) and an air bubble, used to determine a horizontal or vertical reference line.