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Arsenic

/ˈɑːrsnɪk/noun

A brittle grey semi-metal, number 33 in the periodic table, notorious as a poison.

The Greek roots

ἀρσενικόν
arsenikón
yellow orpiment
+
ἄρσην
ársēn
male, potent

Literally: the male, potent one

The story of the word

Greek speakers heard ἄρσην, male, in the name of the yellow mineral orpiment, which suited an alchemy that graded substances by potency. The word almost certainly came from elsewhere: Old Iranian zarnīk, golden, passing through Syriac and being reshaped into something a Greek ear could parse. Arsenic itself was not isolated as an element until the thirteenth century at the earliest, long after the name was fixed to the ore.

How it travelled
Old Iranian → Ancient Greek → Latin → Old French → English
First recorded
14th century

Same family

arsenidearsenatearsine

In a sentence

Groundwater arsenic still affects tens of millions of wells across the Ganges delta.

Built on the same root

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