Janus, the god of gateways and doorways, was a purely Roman
invention. It is often thought that the Romans took their mythology lock, stock
and barrel from the Greeks, simply changing the names of the Greek gods and
heroes into Roman equivalents. To a large extent that is true, but not
completely so. The Romans did have a few gods that were their own invention,
and Janus is one of them.
Janus was the god of gateways and doorways. He had a temple
in the Roman Forum that was believed to date from the times of the Roman kings,
thus proving that the cult of Janus was far older than the absorption of Greece
by the expanding Roman Empire. Indeed, Janus appears to have been Rome’s chief
deity in ancient times.
The temple was a square building with a flat roof and doors on
two opposite sides, and was therefore more like a gatehouse than a temple. The
custom was for the doors to be always open at times of war but closed during
the rare intervals of peace. The legend that supported this practice was that,
during Rome’s war with the Sabines, a stream of water gushed out of the temple
and swept away the invaders.
However, it was also regarded as good form not to close
one’s doors when a family member was away from home, so the temple gates stayed
open in order that Janus could welcome soldiers home when they returned from
battle.
Janus is always portrayed as having two faces, one looking
forwards and the other backwards, which is why the month of January was named
after him.
Janus and Cranae
The story of Janus and Cranae shows how useful it is to be
able to look both ways at the same time. Cranae was a nymph who was determined
to preserve her virginity. Her trick when any pursuer tried to catch her was to
send him ahead into a dark cave, with the promise that she would follow, only
to escape as soon as the suitor’s back was turned.
Of course, this did not work with Janus, who had, in effect,
eyes in the back of his head. Having seen where Cranae hid, Janus was soon able
to catch and have his wicked way with her.
However, Janus did not abandon his “prize” but instead
turned her into a goddess, named Carna, whose special responsibility was for
door hinges. She also had the job of protecting sleeping infants from vampires.
Janus rather fell from favour during later classical times,
with the imported Greek gods taking over. However, it remained the custom for
prayers to the gods to begin with naming Janus, so he was never entirely
forgotten. Given that only one other month is named after a Roman god
(Mars/March) the name of Janus is remembered every year down to the present
day!
© John Welford
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