1680s, from French natron (1660s), which is said to be directly from Arabic natrun, itself from Greek nitron, itself possibly of Eastern origin (see nitre). Medieval Latin and Paracelsus (16c.) had a form anatron, from Arabic with the article assimilated (an-natron). It is the source of the chemical symbol Na for sodium and the word-forming element natro-, used in the names of minerals to indicate the presence of sodium.
双语例句
1. The priests wave around more incense and put natron cleansing salt and resin on the floor.
圣殿与神像周围撒上了水,满地是香料,泡碱盐,还有树脂.
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2. When she gets back, she sprinkles water and natron cleansing salts to keep the insects away.
