This is what wikipedia says about "word of God"..
Word of God or God's Word may refer to:
******** The Bible
******** The Qur'an
******** Logos - the divine word
******** Divine language - the concept of a mystical or divine proto-language
I would say that your take on "the word of G-d" refers to the latter.
Nam.
Om, also written as
Aum, is the most sacred syllable symbol and
mantra of Brahman,
the Almighty God in
Hinduism. Brahman is Supreme Self, Ultimate Reality,
Creator of all Existence. The syllable is often chanted either independently or before a mantra;
it signifies the essence of the ultimate reality, consciousness or
Atma.
The Om sound is the primordial sound and is called the Shabda-Brahman (
Brahman as sound).
Om is part of the iconography found in ancient and medieval era manuscripts,
temples, monasteries and spiritual retreats in Hinduism, Buddhism, and Jainism.
The symbol has a spiritual meaning in all Indian
dharmas,
but the meaning and connotations of
Om vary between the diverse schools
within and across the various traditions.
In
Hinduism, Om is one of the most important spiritual sounds.
It refers to
Atman (soul, self within) and
Brahman
(ultimate reality, entirety of the universe, truth, divine, supreme spirit,
cosmic principles, knowledge).
The syllable is often found at the beginning and the end of chapters in the
Vedas,
the
Upanishads, and other
Hindu texts.
[14] It is a sacred spiritual incantation
made before and during the recitation of spiritual texts, during
puja and private
prayers, in ceremonies of rites of passages (
sanskara) such as weddings, and
sometimes during meditative and spiritual activities such as
Yoga.
It is also used in other
Dharmic religions, such as
Buddhism,
Jainism and
Sikhism.
The syllable
Om is also referred to as
onkara (ओङ्कार,
oṅkāra),
omkara (ओंकार,
oṃkāra) and
pranava (प्रणव,
praṇava).
It has variously been associated with concepts of "cosmic sound"
https://en.wikipedia.org/wiki/Om
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Om = the 'hum' sound that the Universe makes as it swirls.