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The pnictogens are:
The spelling pnicogen is also recorded. Both spellings derive from the Greek πνίγειν (pnigein), to choke or stifle, which is a property of nitrogen.
... for the next 350 years or more
were the Marcomanni to the west, proto-Slavic tribes to the north,
Sarmatian Iazgyians[?] and (later) Asding Vandals to the east, and ...
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