Anubis,
who the ancient Egyptians called Ienpw (phonetically "Yinepu"),
is the mysterious canid funerary deity of ancient Egypt.
Even
the meaning of his name is unknown -- speculations range
from "Royal Child" to having derived from the world for
"to putrefy". Both certainly fit the deity, who was at
various points in time of Egyptian history known as the
lord of the dead before Osiris
and, later, became popularly known as the son of Osiris.

Just
what type of animal Anubis is represented by is unknown
as well; definitely canid and most likely a jackal or
a wild dog -- or a hybrid of both -- but, as in the case
of Seth, with alterations that
deliberately smudge the lines of reality. The deep black
color Anubis's animal is not reflective of its actual
coat but is instead symbolic of his position as a funerary
deity.
The
reason for Anubis's animal being canid is based on what
the ancient Egyptians themselves observed of the creature
-- dogs and jackals often haunted the edges of the desert,
especially the cemeteries where the dead were buried.
Anubis
is an extremely ancient deity. The oldest mastabas of
the Old Kingdom have prayers to him carved into their
walls, and he is mentioned in the Pyramid Texts in his
most celebrated role as a guardian and protector of the
dead. A standard offering formula for the dead in the
Old Kingdom began thusly:
"An
offering which the king gives and Anubis, who is upon
his mountain and in the place of embalming, the lord of
the necropolis...."
As
mentioned previously, Anubis began in the position that
Osiris would later command. In the earliest period of
Egyptian religion Anubis was clearly the lord of the dead
and Osiris the embalmed god while Anubis performed the
act of embalming. Titles that were invested unto Osiris
-- such as Khenty-Imentiu or "Foremost of Westerners"
-- were originally Anubis's.
As the drama of Osiris's death and vindication unfolded
over the centuries, Anubis assumed the role of the guide
who holds steady the scales on which their hearts are
measured against the feather of ma'at as "He Who Counts
the Hearts". Should the heart be light as the feather,
the soul would then be lead by Anubis (or, in some cases,
Harseisis) to be presented to Osiris. Should the heart
be heavy, it is fed to Ammit and the soul destroyed.
As
Imy-ut, or "He Who is In the Place of Embalming", Anubis
is the embalmer who washes the entrails of the dead and
guards over their physical bodies as well as the places
that house them (the tomb and the necropolis). Priests
wearing a mask of Anubis were responsible for the Opening
of the Mouth ceremony that reawakened a dead person's
senses.
In a reflection of the royal seal used on the tombs of
the Valley of the Kings depicting pharaoh's victory over
the "nine bows" (enemies of Egypt), Anubis is shown recumbent
over nine bows meant to be hostile forces of the Underworld
who he -- as "Jackal Ruler of the Bows" -- has triumphed
over.
Anubis's
parentage is a mystery -- in one tradition he is the son
of Nebt-het (Nephthys) and
Ra. In yet another, from the Coffin
Text period, the cow goddess Hesat is his mother and,
from the same source, Bastet
is even accounted as his mother (most likely a pun on
the ointment jars that comprise her hieroglyphs -- the
same jars that were used during the embalming process
Anubis was lord of).

The
Pyramid Texts even supply Anubis with a daughter in the
form of the goddess Qeb-hwt ("Cooling Water") -- a celestial
serpent or ostrich Who purifies and quenches the monarch.
Anubis
is depicted most often as a man with the head of a black
canid with alert, pointed ears. He is also represented
by a full black canid wearing ribbons and holding a flagellum
in the crook of its arm. Very rarely is he ever shown
fully human, though there are some cases (such as in the
temple of Ramesses II of Abydos) of this.
Perhaps the most famous representation of Anubis, the
gold-gilded wooden canid found in the tomb of Tutankhamen,
was doubtlessly placed there as a protector of the dead
and guardian of the tomb.
Anubis
was worshipped throughout Egypt, but the center of his
cult was in Cynopolis (Upper Egypt).
The
name of Anubis in hieroglyphs 
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